2021189770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{47591}}^1$

素因数の和:47766

約数の個数: 32

約数和(自身を含む): 3782992896

約数和(自身を除く): 1761803126

約数列:

[1, 2, 5, 10, 31, 62, 137, 155, 274, 310, 685, 1370, 4247, 8494, 21235, 42470, 47591, 95182, 237955, 475910, 1475321, 2950642, 6519967, 7376605, 13039934, 14753210, 32599835, 65199670, 202118977, 404237954, 1010594885, 2021189770]

約数ペア:

[(1, 2021189770), (2, 1010594885), (5, 404237954), (10, 202118977), (31, 65199670), (62, 32599835), (137, 14753210), (155, 13039934), (274, 7376605), (310, 6519967), (685, 2950642), (1370, 1475321), (4247, 475910), (8494, 237955), (21235, 95182), (42470, 47591)]