21357579552008

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3221}}^1\times {\mathrm{3200159}}^1$

素因数の和:3203430

約数の個数: 64

約数和(自身を含む): 47017774771200

約数和(自身を除く): 25660195219192

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 3221, 6442, 12884, 22547, 25768, 45094, 90188, 119177, 180376, 238354, 476708, 834239, 953416, 1668478, 3200159, 3336956, 6400318, 6673912, 12800636, 22401113, 25601272, 44802226, 89604452, 118405883, 179208904, 236811766, 473623532, 828841181, 947247064, 1657682362, 3315364724, 6630729448, 10307712139, 20615424278, 41230848556, 72153984973, 82461697112, 144307969946, 288615939892, 381385349143, 577231879784, 762770698286, 1525541396572, 2669697444001, 3051082793144, 5339394888002, 10678789776004, 21357579552008]

約数ペア:

[(1, 21357579552008), (2, 10678789776004), (4, 5339394888002), (7, 3051082793144), (8, 2669697444001), (14, 1525541396572), (28, 762770698286), (37, 577231879784), (56, 381385349143), (74, 288615939892), (148, 144307969946), (259, 82461697112), (296, 72153984973), (518, 41230848556), (1036, 20615424278), (2072, 10307712139), (3221, 6630729448), (6442, 3315364724), (12884, 1657682362), (22547, 947247064), (25768, 828841181), (45094, 473623532), (90188, 236811766), (119177, 179208904), (180376, 118405883), (238354, 89604452), (476708, 44802226), (834239, 25601272), (953416, 22401113), (1668478, 12800636), (3200159, 6673912), (3336956, 6400318)]