21143648

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38867}}^1$

素因数の和:38894

約数の個数: 24

約数和(自身を含む): 44076312

約数和(自身を除く): 22932664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38867, 77734, 155468, 310936, 621872, 660739, 1243744, 1321478, 2642956, 5285912, 10571824, 21143648]

約数ペア:

[(1, 21143648), (2, 10571824), (4, 5285912), (8, 2642956), (16, 1321478), (17, 1243744), (32, 660739), (34, 621872), (68, 310936), (136, 155468), (272, 77734), (544, 38867)]