21204124

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 38506496

約数和(自身を除く): 17302372

約数列:

[1, 2, 4, 31, 62, 124, 271, 542, 631, 1084, 1262, 2524, 8401, 16802, 19561, 33604, 39122, 78244, 171001, 342002, 684004, 5301031, 10602062, 21204124]

約数ペア:

[(1, 21204124), (2, 10602062), (4, 5301031), (31, 684004), (62, 342002), (124, 171001), (271, 78244), (542, 39122), (631, 33604), (1084, 19561), (1262, 16802), (2524, 8401)]