21393381490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1\times {\mathrm{9973}}^1$

素因数の和:10591

約数の個数: 64

約数和(自身を含む): 42979960800

約数和(自身を除く): 21586579310

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 569, 754, 1138, 1885, 2845, 3770, 5690, 7397, 9973, 14794, 16501, 19946, 33002, 36985, 49865, 73970, 82505, 99730, 129649, 165010, 214513, 259298, 289217, 429026, 578434, 648245, 1072565, 1296490, 1446085, 2145130, 2892170, 3759821, 5674637, 7519642, 11349274, 18799105, 28373185, 37598210, 56746370, 73770281, 147540562, 164564473, 329128946, 368851405, 737702810, 822822365, 1645644730, 2139338149, 4278676298, 10696690745, 21393381490]

約数ペア:

[(1, 21393381490), (2, 10696690745), (5, 4278676298), (10, 2139338149), (13, 1645644730), (26, 822822365), (29, 737702810), (58, 368851405), (65, 329128946), (130, 164564473), (145, 147540562), (290, 73770281), (377, 56746370), (569, 37598210), (754, 28373185), (1138, 18799105), (1885, 11349274), (2845, 7519642), (3770, 5674637), (5690, 3759821), (7397, 2892170), (9973, 2145130), (14794, 1446085), (16501, 1296490), (19946, 1072565), (33002, 648245), (36985, 578434), (49865, 429026), (73970, 289217), (82505, 259298), (99730, 214513), (129649, 165010)]