21083992

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 40506480

約数和(自身を除く): 19422488

約数列:

[1, 2, 4, 8, 83, 113, 166, 226, 281, 332, 452, 562, 664, 904, 1124, 2248, 9379, 18758, 23323, 31753, 37516, 46646, 63506, 75032, 93292, 127012, 186584, 254024, 2635499, 5270998, 10541996, 21083992]

約数ペア:

[(1, 21083992), (2, 10541996), (4, 5270998), (8, 2635499), (83, 254024), (113, 186584), (166, 127012), (226, 93292), (281, 75032), (332, 63506), (452, 46646), (562, 37516), (664, 31753), (904, 23323), (1124, 18758), (2248, 9379)]