21766170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 32976870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 47, 86, 94, 129, 141, 215, 235, 258, 282, 359, 430, 470, 645, 705, 718, 1077, 1290, 1410, 1795, 2021, 2154, 3590, 4042, 5385, 6063, 10105, 10770, 12126, 15437, 16873, 20210, 30315, 30874, 33746, 46311, 50619, 60630, 77185, 84365, 92622, 101238, 154370, 168730, 231555, 253095, 463110, 506190, 725539, 1451078, 2176617, 3627695, 4353234, 7255390, 10883085, 21766170]

約数ペア:

[(1, 21766170), (2, 10883085), (3, 7255390), (5, 4353234), (6, 3627695), (10, 2176617), (15, 1451078), (30, 725539), (43, 506190), (47, 463110), (86, 253095), (94, 231555), (129, 168730), (141, 154370), (215, 101238), (235, 92622), (258, 84365), (282, 77185), (359, 60630), (430, 50619), (470, 46311), (645, 33746), (705, 30874), (718, 30315), (1077, 20210), (1290, 16873), (1410, 15437), (1795, 12126), (2021, 10770), (2154, 10105), (3590, 6063), (4042, 5385)]