21313640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23167}}^1$

素因数の和:23201

約数の個数: 32

約数和(自身を含む): 50042880

約数和(自身を除く): 28729240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23167, 46334, 92668, 115835, 185336, 231670, 463340, 532841, 926680, 1065682, 2131364, 2664205, 4262728, 5328410, 10656820, 21313640]

約数ペア:

[(1, 21313640), (2, 10656820), (4, 5328410), (5, 4262728), (8, 2664205), (10, 2131364), (20, 1065682), (23, 926680), (40, 532841), (46, 463340), (92, 231670), (115, 185336), (184, 115835), (230, 92668), (460, 46334), (920, 23167)]