21837645

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7243}}^1$

素因数の和:7321

約数の個数: 24

約数和(自身を含む): 38422176

約数和(自身を除く): 16584531

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 7243, 21729, 36215, 65187, 108645, 325935, 485281, 1455843, 2426405, 4367529, 7279215, 21837645]

約数ペア:

[(1, 21837645), (3, 7279215), (5, 4367529), (9, 2426405), (15, 1455843), (45, 485281), (67, 325935), (201, 108645), (335, 65187), (603, 36215), (1005, 21729), (3015, 7243)]