21474076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{821}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 40600224

約数和(自身を除く): 19126148

約数列:

[1, 2, 4, 13, 26, 52, 503, 821, 1006, 1642, 2012, 3284, 6539, 10673, 13078, 21346, 26156, 42692, 412963, 825926, 1651852, 5368519, 10737038, 21474076]

約数ペア:

[(1, 21474076), (2, 10737038), (4, 5368519), (13, 1651852), (26, 825926), (52, 412963), (503, 42692), (821, 26156), (1006, 21346), (1642, 13078), (2012, 10673), (3284, 6539)]