21583828

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1831}}^1$

素因数の和:2263

約数の個数: 24

約数和(自身を含む): 43293824

約数和(自身を除く): 21709996

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 1831, 2947, 3662, 5894, 7324, 11788, 12817, 25634, 51268, 770851, 1541702, 3083404, 5395957, 10791914, 21583828]

約数ペア:

[(1, 21583828), (2, 10791914), (4, 5395957), (7, 3083404), (14, 1541702), (28, 770851), (421, 51268), (842, 25634), (1684, 12817), (1831, 11788), (2947, 7324), (3662, 5894)]