21965014730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{129205969}}^1$

素因数の和:129205993

約数の個数: 16

約数和(自身を含む): 41862734280

約数和(自身を除く): 19897719550

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 129205969, 258411938, 646029845, 1292059690, 2196501473, 4393002946, 10982507365, 21965014730]

約数ペア:

[(1, 21965014730), (2, 10982507365), (5, 4393002946), (10, 2196501473), (17, 1292059690), (34, 646029845), (85, 258411938), (170, 129205969)]