21263708790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{41647}}^1$

素因数の和:41755

約数の個数: 128

約数和(自身を含む): 59493335040

約数和(自身を除く): 38229626250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 61, 62, 90, 93, 122, 135, 155, 183, 186, 270, 279, 305, 310, 366, 465, 549, 558, 610, 837, 915, 930, 1098, 1395, 1647, 1674, 1830, 1891, 2745, 2790, 3294, 3782, 4185, 5490, 5673, 8235, 8370, 9455, 11346, 16470, 17019, 18910, 28365, 34038, 41647, 51057, 56730, 83294, 85095, 102114, 124941, 170190, 208235, 249882, 255285, 374823, 416470, 510570, 624705, 749646, 1124469, 1249410, 1291057, 1874115, 2248938, 2540467, 2582114, 3748230, 3873171, 5080934, 5622345, 6455285, 7621401, 7746342, 11244690, 11619513, 12702335, 12910570, 15242802, 19365855, 22864203, 23239026, 25404670, 34858539, 38107005, 38731710, 45728406, 58097565, 68592609, 69717078, 76214010, 78754477, 114321015, 116195130, 137185218, 157508954, 174292695, 228642030, 236263431, 342963045, 348585390, 393772385, 472526862, 685926090, 708790293, 787544770, 1181317155, 1417580586, 2126370879, 2362634310, 3543951465, 4252741758, 7087902930, 10631854395, 21263708790]

約数ペア:

[(1, 21263708790), (2, 10631854395), (3, 7087902930), (5, 4252741758), (6, 3543951465), (9, 2362634310), (10, 2126370879), (15, 1417580586), (18, 1181317155), (27, 787544770), (30, 708790293), (31, 685926090), (45, 472526862), (54, 393772385), (61, 348585390), (62, 342963045), (90, 236263431), (93, 228642030), (122, 174292695), (135, 157508954), (155, 137185218), (183, 116195130), (186, 114321015), (270, 78754477), (279, 76214010), (305, 69717078), (310, 68592609), (366, 58097565), (465, 45728406), (549, 38731710), (558, 38107005), (610, 34858539), (837, 25404670), (915, 23239026), (930, 22864203), (1098, 19365855), (1395, 15242802), (1647, 12910570), (1674, 12702335), (1830, 11619513), (1891, 11244690), (2745, 7746342), (2790, 7621401), (3294, 6455285), (3782, 5622345), (4185, 5080934), (5490, 3873171), (5673, 3748230), (8235, 2582114), (8370, 2540467), (9455, 2248938), (11346, 1874115), (16470, 1291057), (17019, 1249410), (18910, 1124469), (28365, 749646), (34038, 624705), (41647, 510570), (51057, 416470), (56730, 374823), (83294, 255285), (85095, 249882), (102114, 208235), (124941, 170190)]