21403804930

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1429}}^1\times {\mathrm{5527}}^1$

素因数の和:7234

約数の個数: 32

約数和(自身を含む): 38703075840

約数和(自身を除く): 17299270910

約数列:

[1, 2, 5, 10, 271, 542, 1355, 1429, 2710, 2858, 5527, 7145, 11054, 14290, 27635, 55270, 387259, 774518, 1497817, 1936295, 2995634, 3872590, 7489085, 7898083, 14978170, 15796166, 39490415, 78980830, 2140380493, 4280760986, 10701902465, 21403804930]

約数ペア:

[(1, 21403804930), (2, 10701902465), (5, 4280760986), (10, 2140380493), (271, 78980830), (542, 39490415), (1355, 15796166), (1429, 14978170), (2710, 7898083), (2858, 7489085), (5527, 3872590), (7145, 2995634), (11054, 1936295), (14290, 1497817), (27635, 774518), (55270, 387259)]