21217270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3181}}^1$

素因数の和:3240

約数の個数: 32

約数和(自身を含む): 41238720

約数和(自身を除く): 20021450

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 3181, 3335, 6362, 6670, 15905, 31810, 73163, 92249, 146326, 184498, 365815, 461245, 731630, 922490, 2121727, 4243454, 10608635, 21217270]

約数ペア:

[(1, 21217270), (2, 10608635), (5, 4243454), (10, 2121727), (23, 922490), (29, 731630), (46, 461245), (58, 365815), (115, 184498), (145, 146326), (230, 92249), (290, 73163), (667, 31810), (1334, 15905), (3181, 6670), (3335, 6362)]