21000339354

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1\times {\mathrm{1523}}^1$

素因数の和:2043

約数の個数: 64

約数和(自身を含む): 43278478848

約数和(自身を除く): 22278139494

約数列:

[1, 2, 3, 6, 53, 106, 131, 159, 262, 318, 331, 393, 662, 786, 993, 1523, 1986, 3046, 4569, 6943, 9138, 13886, 17543, 20829, 35086, 41658, 43361, 52629, 80719, 86722, 105258, 130083, 161438, 199513, 242157, 260166, 399026, 484314, 504113, 598539, 1008226, 1197078, 1512339, 2298133, 3024678, 4596266, 6894399, 10574189, 13788798, 21148378, 26717989, 31722567, 53435978, 63445134, 66038803, 80153967, 132077606, 160307934, 198116409, 396232818, 3500056559, 7000113118, 10500169677, 21000339354]

約数ペア:

[(1, 21000339354), (2, 10500169677), (3, 7000113118), (6, 3500056559), (53, 396232818), (106, 198116409), (131, 160307934), (159, 132077606), (262, 80153967), (318, 66038803), (331, 63445134), (393, 53435978), (662, 31722567), (786, 26717989), (993, 21148378), (1523, 13788798), (1986, 10574189), (3046, 6894399), (4569, 4596266), (6943, 3024678), (9138, 2298133), (13886, 1512339), (17543, 1197078), (20829, 1008226), (35086, 598539), (41658, 504113), (43361, 484314), (52629, 399026), (80719, 260166), (86722, 242157), (105258, 199513), (130083, 161438)]