21000337490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{35879}}^1$

素因数の和:36227

約数の個数: 64

約数和(自身を含む): 43803452160

約数和(自身を除く): 22803114670

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 313, 374, 626, 935, 1565, 1870, 3130, 3443, 5321, 6886, 10642, 17215, 26605, 34430, 35879, 53210, 58531, 71758, 117062, 179395, 292655, 358790, 394669, 585310, 609943, 789338, 1219886, 1973345, 3049715, 3946690, 6099430, 6709373, 11230127, 13418746, 22460254, 33546865, 56150635, 67093730, 112301270, 123531397, 190912159, 247062794, 381824318, 617656985, 954560795, 1235313970, 1909121590, 2100033749, 4200067498, 10500168745, 21000337490]

約数ペア:

[(1, 21000337490), (2, 10500168745), (5, 4200067498), (10, 2100033749), (11, 1909121590), (17, 1235313970), (22, 954560795), (34, 617656985), (55, 381824318), (85, 247062794), (110, 190912159), (170, 123531397), (187, 112301270), (313, 67093730), (374, 56150635), (626, 33546865), (935, 22460254), (1565, 13418746), (1870, 11230127), (3130, 6709373), (3443, 6099430), (5321, 3946690), (6886, 3049715), (10642, 1973345), (17215, 1219886), (26605, 789338), (34430, 609943), (35879, 585310), (53210, 394669), (58531, 358790), (71758, 292655), (117062, 179395)]