21440733951

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{16427}}^1$

素因数の和:17140

約数の個数: 48

約数和(自身を含む): 35867712384

約数和(自身を除く): 14426978433

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 683, 1911, 2049, 4781, 8879, 14343, 16427, 26637, 33467, 49281, 62153, 100401, 114989, 186459, 213551, 344967, 435071, 640653, 804923, 1305213, 1494857, 2414769, 4484571, 10463999, 11219641, 31391997, 33658923, 78537487, 145855333, 235612461, 437565999, 549762409, 1020987331, 1649287227, 3062961993, 7146911317, 21440733951]

約数ペア:

[(1, 21440733951), (3, 7146911317), (7, 3062961993), (13, 1649287227), (21, 1020987331), (39, 549762409), (49, 437565999), (91, 235612461), (147, 145855333), (273, 78537487), (637, 33658923), (683, 31391997), (1911, 11219641), (2049, 10463999), (4781, 4484571), (8879, 2414769), (14343, 1494857), (16427, 1305213), (26637, 804923), (33467, 640653), (49281, 435071), (62153, 344967), (100401, 213551), (114989, 186459)]