21313680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88807}}^1$

素因数の和:88823

約数の個数: 40

約数和(自身を含む): 66073152

約数和(自身を除く): 44759472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88807, 177614, 266421, 355228, 444035, 532842, 710456, 888070, 1065684, 1332105, 1420912, 1776140, 2131368, 2664210, 3552280, 4262736, 5328420, 7104560, 10656840, 21313680]

約数ペア:

[(1, 21313680), (2, 10656840), (3, 7104560), (4, 5328420), (5, 4262736), (6, 3552280), (8, 2664210), (10, 2131368), (12, 1776140), (15, 1420912), (16, 1332105), (20, 1065684), (24, 888070), (30, 710456), (40, 532842), (48, 444035), (60, 355228), (80, 266421), (120, 177614), (240, 88807)]