21598330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 45995040

約数和(自身を除く): 24396710

約数列:

[1, 2, 5, 10, 13, 17, 26, 29, 34, 58, 65, 85, 130, 145, 170, 221, 290, 337, 377, 442, 493, 674, 754, 986, 1105, 1685, 1885, 2210, 2465, 3370, 3770, 4381, 4930, 5729, 6409, 8762, 9773, 11458, 12818, 19546, 21905, 28645, 32045, 43810, 48865, 57290, 64090, 74477, 97730, 127049, 148954, 166141, 254098, 332282, 372385, 635245, 744770, 830705, 1270490, 1661410, 2159833, 4319666, 10799165, 21598330]

約数ペア:

[(1, 21598330), (2, 10799165), (5, 4319666), (10, 2159833), (13, 1661410), (17, 1270490), (26, 830705), (29, 744770), (34, 635245), (58, 372385), (65, 332282), (85, 254098), (130, 166141), (145, 148954), (170, 127049), (221, 97730), (290, 74477), (337, 64090), (377, 57290), (442, 48865), (493, 43810), (674, 32045), (754, 28645), (986, 21905), (1105, 19546), (1685, 12818), (1885, 11458), (2210, 9773), (2465, 8762), (3370, 6409), (3770, 5729), (4381, 4930)]