21668158980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{487363}}^1$

素因数の和:487410

約数の個数: 144

約数和(自身を含む): 74508208320

約数和(自身を除く): 52840049340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7410, 8892, 11115, 14820, 22230, 44460, 487363, 974726, 1462089, 1949452, 2436815, 2924178, 4386267, 4873630, 5848356, 6335719, 7310445, 8772534, 9259897, 9747260, 12671438, 14620890, 17545068, 18519794, 19007157, 21931335, 25342876, 27779691, 29241780, 31678595, 37039588, 38014314, 43862670, 46299485, 55559382, 57021471, 63357190, 76028628, 83339073, 87725340, 92598970, 95035785, 111118764, 114042942, 120378661, 126714380, 138898455, 166678146, 185197940, 190071570, 228085884, 240757322, 277796910, 285107355, 333356292, 361135983, 380143140, 416695365, 481514644, 555593820, 570214710, 601893305, 722271966, 833390730, 1083407949, 1140429420, 1203786610, 1444543932, 1666781460, 1805679915, 2166815898, 2407573220, 3611359830, 4333631796, 5417039745, 7222719660, 10834079490, 21668158980]

約数ペア:

[(1, 21668158980), (2, 10834079490), (3, 7222719660), (4, 5417039745), (5, 4333631796), (6, 3611359830), (9, 2407573220), (10, 2166815898), (12, 1805679915), (13, 1666781460), (15, 1444543932), (18, 1203786610), (19, 1140429420), (20, 1083407949), (26, 833390730), (30, 722271966), (36, 601893305), (38, 570214710), (39, 555593820), (45, 481514644), (52, 416695365), (57, 380143140), (60, 361135983), (65, 333356292), (76, 285107355), (78, 277796910), (90, 240757322), (95, 228085884), (114, 190071570), (117, 185197940), (130, 166678146), (156, 138898455), (171, 126714380), (180, 120378661), (190, 114042942), (195, 111118764), (228, 95035785), (234, 92598970), (247, 87725340), (260, 83339073), (285, 76028628), (342, 63357190), (380, 57021471), (390, 55559382), (468, 46299485), (494, 43862670), (570, 38014314), (585, 37039588), (684, 31678595), (741, 29241780), (780, 27779691), (855, 25342876), (988, 21931335), (1140, 19007157), (1170, 18519794), (1235, 17545068), (1482, 14620890), (1710, 12671438), (2223, 9747260), (2340, 9259897), (2470, 8772534), (2964, 7310445), (3420, 6335719), (3705, 5848356), (4446, 4873630), (4940, 4386267), (7410, 2924178), (8892, 2436815), (11115, 1949452), (14820, 1462089), (22230, 974726), (44460, 487363)]