21013710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5347}}^1$

素因数の和:5488

約数の個数: 32

約数和(自身を含む): 50827392

約数和(自身を除く): 29813682

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5347, 10694, 16041, 26735, 32082, 53470, 80205, 160410, 700457, 1400914, 2101371, 3502285, 4202742, 7004570, 10506855, 21013710]

約数ペア:

[(1, 21013710), (2, 10506855), (3, 7004570), (5, 4202742), (6, 3502285), (10, 2101371), (15, 1400914), (30, 700457), (131, 160410), (262, 80205), (393, 53470), (655, 32082), (786, 26735), (1310, 16041), (1965, 10694), (3930, 5347)]