21000737092

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{343531}}^1$

素因数の和:343612

約数の個数: 48

約数和(自身を含む): 41553630720

約数和(自身を除く): 20552893628

約数列:

[1, 2, 4, 17, 29, 31, 34, 58, 62, 68, 116, 124, 493, 527, 899, 986, 1054, 1798, 1972, 2108, 3596, 15283, 30566, 61132, 343531, 687062, 1374124, 5840027, 9962399, 10649461, 11680054, 19924798, 21298922, 23360108, 39849596, 42597844, 169360783, 181040837, 308834369, 338721566, 362081674, 617668738, 677443132, 724163348, 1235337476, 5250184273, 10500368546, 21000737092]

約数ペア:

[(1, 21000737092), (2, 10500368546), (4, 5250184273), (17, 1235337476), (29, 724163348), (31, 677443132), (34, 617668738), (58, 362081674), (62, 338721566), (68, 308834369), (116, 181040837), (124, 169360783), (493, 42597844), (527, 39849596), (899, 23360108), (986, 21298922), (1054, 19924798), (1798, 11680054), (1972, 10649461), (2108, 9962399), (3596, 5840027), (15283, 1374124), (30566, 687062), (61132, 343531)]