21347685

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5101}}^1$

素因数の和:5146

約数の個数: 32

約数和(自身を含む): 39183360

約数和(自身を除く): 17835675

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 5101, 15303, 25505, 45909, 76515, 137727, 158131, 229545, 474393, 688635, 790655, 1423179, 2371965, 4269537, 7115895, 21347685]

約数ペア:

[(1, 21347685), (3, 7115895), (5, 4269537), (9, 2371965), (15, 1423179), (27, 790655), (31, 688635), (45, 474393), (93, 229545), (135, 158131), (155, 137727), (279, 76515), (465, 45909), (837, 25505), (1395, 15303), (4185, 5101)]