21836380

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8597}}^1$

素因数の和:8733

約数の個数: 24

約数和(自身を含む): 46222848

約数和(自身を除く): 24386468

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 8597, 17194, 34388, 42985, 85970, 171940, 1091819, 2183638, 4367276, 5459095, 10918190, 21836380]

約数ペア:

[(1, 21836380), (2, 10918190), (4, 5459095), (5, 4367276), (10, 2183638), (20, 1091819), (127, 171940), (254, 85970), (508, 42985), (635, 34388), (1270, 17194), (2540, 8597)]