21238164

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{14389}}^1$

素因数の和:14440

約数の個数: 36

約数和(自身を含む): 54998580

約数和(自身を除く): 33760416

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 14389, 28778, 43167, 57556, 86334, 129501, 172668, 259002, 518004, 589949, 1179898, 1769847, 2359796, 3539694, 5309541, 7079388, 10619082, 21238164]

約数ペア:

[(1, 21238164), (2, 10619082), (3, 7079388), (4, 5309541), (6, 3539694), (9, 2359796), (12, 1769847), (18, 1179898), (36, 589949), (41, 518004), (82, 259002), (123, 172668), (164, 129501), (246, 86334), (369, 57556), (492, 43167), (738, 28778), (1476, 14389)]