21410355

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 36034560

約数和(自身を除く): 14624205

約数列:

[1, 3, 5, 15, 23, 69, 115, 229, 271, 345, 687, 813, 1145, 1355, 3435, 4065, 5267, 6233, 15801, 18699, 26335, 31165, 62059, 79005, 93495, 186177, 310295, 930885, 1427357, 4282071, 7136785, 21410355]

約数ペア:

[(1, 21410355), (3, 7136785), (5, 4282071), (15, 1427357), (23, 930885), (69, 310295), (115, 186177), (229, 93495), (271, 79005), (345, 62059), (687, 31165), (813, 26335), (1145, 18699), (1355, 15801), (3435, 6233), (4065, 5267)]