21229998

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 43755552

約数和(自身を除く): 22525554

約数列:

[1, 2, 3, 6, 53, 101, 106, 159, 202, 303, 318, 606, 661, 1322, 1983, 3966, 5353, 10706, 16059, 32118, 35033, 66761, 70066, 105099, 133522, 200283, 210198, 400566, 3538333, 7076666, 10614999, 21229998]

約数ペア:

[(1, 21229998), (2, 10614999), (3, 7076666), (6, 3538333), (53, 400566), (101, 210198), (106, 200283), (159, 133522), (202, 105099), (303, 70066), (318, 66761), (606, 35033), (661, 32118), (1322, 16059), (1983, 10706), (3966, 5353)]