21000297010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4363}}^1$

素因数の和:4461

約数の個数: 192

約数和(自身を含む): 51580385280

約数和(自身を除く): 30580088270

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 47, 49, 55, 70, 77, 94, 95, 98, 110, 133, 154, 190, 209, 235, 245, 266, 329, 385, 418, 470, 490, 517, 539, 658, 665, 770, 893, 931, 1034, 1045, 1078, 1330, 1463, 1645, 1786, 1862, 2090, 2303, 2585, 2695, 2926, 3290, 3619, 4363, 4465, 4606, 4655, 5170, 5390, 6251, 7238, 7315, 8726, 8930, 9310, 9823, 10241, 11515, 12502, 14630, 18095, 19646, 20482, 21815, 23030, 25333, 30541, 31255, 36190, 43630, 43757, 47993, 49115, 50666, 51205, 61082, 62510, 68761, 82897, 87514, 95986, 98230, 102410, 126665, 137522, 152705, 165794, 205061, 213787, 218785, 239965, 253330, 305410, 335951, 343805, 410122, 414485, 427574, 437570, 479930, 481327, 580279, 671902, 687610, 828970, 911867, 962654, 1025305, 1068935, 1160558, 1435427, 1679755, 1823734, 2050610, 2137870, 2255671, 2351657, 2406635, 2870854, 2901395, 3359510, 3896159, 4061953, 4511342, 4559335, 4703314, 4813270, 5802790, 6383069, 7177135, 7792318, 8123906, 9118670, 10047989, 11278355, 11758285, 12766138, 14354270, 15789697, 19480795, 20095978, 20309765, 22556710, 23516570, 27273113, 31579394, 31915345, 38961590, 40619530, 42857749, 44681483, 50239945, 54546226, 63830690, 78948485, 85715498, 89362966, 100479890, 110527879, 136365565, 157896970, 190911791, 214288745, 221055758, 223407415, 272731130, 300004243, 381823582, 428577490, 446814830, 552639395, 600008486, 954558955, 1105278790, 1500021215, 1909117910, 2100029701, 3000042430, 4200059402, 10500148505, 21000297010]

約数ペア:

[(1, 21000297010), (2, 10500148505), (5, 4200059402), (7, 3000042430), (10, 2100029701), (11, 1909117910), (14, 1500021215), (19, 1105278790), (22, 954558955), (35, 600008486), (38, 552639395), (47, 446814830), (49, 428577490), (55, 381823582), (70, 300004243), (77, 272731130), (94, 223407415), (95, 221055758), (98, 214288745), (110, 190911791), (133, 157896970), (154, 136365565), (190, 110527879), (209, 100479890), (235, 89362966), (245, 85715498), (266, 78948485), (329, 63830690), (385, 54546226), (418, 50239945), (470, 44681483), (490, 42857749), (517, 40619530), (539, 38961590), (658, 31915345), (665, 31579394), (770, 27273113), (893, 23516570), (931, 22556710), (1034, 20309765), (1045, 20095978), (1078, 19480795), (1330, 15789697), (1463, 14354270), (1645, 12766138), (1786, 11758285), (1862, 11278355), (2090, 10047989), (2303, 9118670), (2585, 8123906), (2695, 7792318), (2926, 7177135), (3290, 6383069), (3619, 5802790), (4363, 4813270), (4465, 4703314), (4606, 4559335), (4655, 4511342), (5170, 4061953), (5390, 3896159), (6251, 3359510), (7238, 2901395), (7315, 2870854), (8726, 2406635), (8930, 2351657), (9310, 2255671), (9823, 2137870), (10241, 2050610), (11515, 1823734), (12502, 1679755), (14630, 1435427), (18095, 1160558), (19646, 1068935), (20482, 1025305), (21815, 962654), (23030, 911867), (25333, 828970), (30541, 687610), (31255, 671902), (36190, 580279), (43630, 481327), (43757, 479930), (47993, 437570), (49115, 427574), (50666, 414485), (51205, 410122), (61082, 343805), (62510, 335951), (68761, 305410), (82897, 253330), (87514, 239965), (95986, 218785), (98230, 213787), (102410, 205061), (126665, 165794), (137522, 152705)]