21197634

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 22045566

約数列:

[1, 2, 3, 6, 131, 149, 181, 262, 298, 362, 393, 447, 543, 786, 894, 1086, 19519, 23711, 26969, 39038, 47422, 53938, 58557, 71133, 80907, 117114, 142266, 161814, 3532939, 7065878, 10598817, 21197634]

約数ペア:

[(1, 21197634), (2, 10598817), (3, 7065878), (6, 3532939), (131, 161814), (149, 142266), (181, 117114), (262, 80907), (298, 71133), (362, 58557), (393, 53938), (447, 47422), (543, 39038), (786, 26969), (894, 23711), (1086, 19519)]