21551323690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1\times {\mathrm{6029}}^1$

素因数の和:6967

約数の個数: 64

約数和(自身を含む): 43179816960

約数和(自身を除く): 21628493270

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 887, 1774, 2015, 4030, 4435, 6029, 8870, 11531, 12058, 23062, 27497, 30145, 54994, 57655, 60290, 78377, 115310, 137485, 156754, 186899, 274970, 357461, 373798, 391885, 714922, 783770, 934495, 1787305, 1868990, 2429687, 3574610, 4859374, 5347723, 10695446, 12148435, 24296870, 26738615, 53477230, 69520399, 139040798, 165779413, 331558826, 347601995, 695203990, 828897065, 1657794130, 2155132369, 4310264738, 10775661845, 21551323690]

約数ペア:

[(1, 21551323690), (2, 10775661845), (5, 4310264738), (10, 2155132369), (13, 1657794130), (26, 828897065), (31, 695203990), (62, 347601995), (65, 331558826), (130, 165779413), (155, 139040798), (310, 69520399), (403, 53477230), (806, 26738615), (887, 24296870), (1774, 12148435), (2015, 10695446), (4030, 5347723), (4435, 4859374), (6029, 3574610), (8870, 2429687), (11531, 1868990), (12058, 1787305), (23062, 934495), (27497, 783770), (30145, 714922), (54994, 391885), (57655, 373798), (60290, 357461), (78377, 274970), (115310, 186899), (137485, 156754)]