21805214

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8179}}^1$

素因数の和:8255

約数の個数: 16

約数和(自身を含む): 34552320

約数和(自身を除く): 12747106

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 8179, 16358, 253549, 351697, 507098, 703394, 10902607, 21805214]

約数ペア:

[(1, 21805214), (2, 10902607), (31, 703394), (43, 507098), (62, 351697), (86, 253549), (1333, 16358), (2666, 8179)]