21669680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11777}}^1$

素因数の和:11813

約数の個数: 40

約数和(自身を含む): 52576992

約数和(自身を除く): 30907312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11777, 23554, 47108, 58885, 94216, 117770, 188432, 235540, 270871, 471080, 541742, 942160, 1083484, 1354355, 2166968, 2708710, 4333936, 5417420, 10834840, 21669680]

約数ペア:

[(1, 21669680), (2, 10834840), (4, 5417420), (5, 4333936), (8, 2708710), (10, 2166968), (16, 1354355), (20, 1083484), (23, 942160), (40, 541742), (46, 471080), (80, 270871), (92, 235540), (115, 188432), (184, 117770), (230, 94216), (368, 58885), (460, 47108), (920, 23554), (1840, 11777)]