21998956

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5273}}^1$

素因数の和:5433

約数の個数: 24

約数和(自身を含む): 44301600

約数和(自身を除く): 22302644

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 5273, 10546, 21092, 36911, 73822, 147644, 785677, 1571354, 3142708, 5499739, 10999478, 21998956]

約数ペア:

[(1, 21998956), (2, 10999478), (4, 5499739), (7, 3142708), (14, 1571354), (28, 785677), (149, 147644), (298, 73822), (596, 36911), (1043, 21092), (2086, 10546), (4172, 5273)]