21736390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4519}}^1$

素因数の和:4576

約数の個数: 32

約数和(自身を含む): 43283520

約数和(自身を除く): 21547130

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4519, 4810, 9038, 22595, 45190, 58747, 117494, 167203, 293735, 334406, 587470, 836015, 1672030, 2173639, 4347278, 10868195, 21736390]

約数ペア:

[(1, 21736390), (2, 10868195), (5, 4347278), (10, 2173639), (13, 1672030), (26, 836015), (37, 587470), (65, 334406), (74, 293735), (130, 167203), (185, 117494), (370, 58747), (481, 45190), (962, 22595), (2405, 9038), (4519, 4810)]