21549495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 39223296

約数和(自身を除く): 17673801

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 121, 155, 165, 341, 363, 383, 465, 605, 1023, 1149, 1705, 1815, 1915, 3751, 4213, 5115, 5745, 11253, 11873, 12639, 18755, 21065, 35619, 46343, 56265, 59365, 63195, 130603, 139029, 178095, 231715, 391809, 653015, 695145, 1436633, 1959045, 4309899, 7183165, 21549495]

約数ペア:

[(1, 21549495), (3, 7183165), (5, 4309899), (11, 1959045), (15, 1436633), (31, 695145), (33, 653015), (55, 391809), (93, 231715), (121, 178095), (155, 139029), (165, 130603), (341, 63195), (363, 59365), (383, 56265), (465, 46343), (605, 35619), (1023, 21065), (1149, 18755), (1705, 12639), (1815, 11873), (1915, 11253), (3751, 5745), (4213, 5115)]