21000700024

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{12441173}}^1$

素因数の和:12441390

約数の個数: 16

約数和(自身を含む): 39562933320

約数和(自身を除く): 18562233296

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 12441173, 24882346, 49764692, 99529384, 2625087503, 5250175006, 10500350012, 21000700024]

約数ペア:

[(1, 21000700024), (2, 10500350012), (4, 5250175006), (8, 2625087503), (211, 99529384), (422, 49764692), (844, 24882346), (1688, 12441173)]