21572790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37847}}^1$

素因数の和:37876

約数の個数: 32

約数和(自身を含む): 54501120

約数和(自身を除く): 32928330

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 37847, 75694, 113541, 189235, 227082, 378470, 567705, 719093, 1135410, 1438186, 2157279, 3595465, 4314558, 7190930, 10786395, 21572790]

約数ペア:

[(1, 21572790), (2, 10786395), (3, 7190930), (5, 4314558), (6, 3595465), (10, 2157279), (15, 1438186), (19, 1135410), (30, 719093), (38, 567705), (57, 378470), (95, 227082), (114, 189235), (190, 113541), (285, 75694), (570, 37847)]