21997770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1847}}^1$

素因数の和:2254

約数の個数: 32

約数和(自身を含む): 52956288

約数和(自身を除く): 30958518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1847, 1985, 2382, 3694, 3970, 5541, 5955, 9235, 11082, 11910, 18470, 27705, 55410, 733259, 1466518, 2199777, 3666295, 4399554, 7332590, 10998885, 21997770]

約数ペア:

[(1, 21997770), (2, 10998885), (3, 7332590), (5, 4399554), (6, 3666295), (10, 2199777), (15, 1466518), (30, 733259), (397, 55410), (794, 27705), (1191, 18470), (1847, 11910), (1985, 11082), (2382, 9235), (3694, 5955), (3970, 5541)]