21974150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39953}}^1$

素因数の和:39976

約数の個数: 24

約数和(自身を含む): 44588664

約数和(自身を除く): 22614514

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39953, 79906, 199765, 399530, 439483, 878966, 998825, 1997650, 2197415, 4394830, 10987075, 21974150]

約数ペア:

[(1, 21974150), (2, 10987075), (5, 4394830), (10, 2197415), (11, 1997650), (22, 998825), (25, 878966), (50, 439483), (55, 399530), (110, 199765), (275, 79906), (550, 39953)]