221409820

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{14741}}^1$

素因数の和:15501

約数の個数: 24

約数和(自身を含む): 465611328

約数和(自身を除く): 244201508

約数列:

[1, 2, 4, 5, 10, 20, 751, 1502, 3004, 3755, 7510, 14741, 15020, 29482, 58964, 73705, 147410, 294820, 11070491, 22140982, 44281964, 55352455, 110704910, 221409820]

約数ペア:

[(1, 221409820), (2, 110704910), (4, 55352455), (5, 44281964), (10, 22140982), (20, 11070491), (751, 294820), (1502, 147410), (3004, 73705), (3755, 58964), (7510, 29482), (14741, 15020)]