21053790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77977}}^1$

素因数の和:77993

約数の個数: 32

約数和(自身を含む): 56144160

約数和(自身を除く): 35090370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77977, 155954, 233931, 389885, 467862, 701793, 779770, 1169655, 1403586, 2105379, 2339310, 3508965, 4210758, 7017930, 10526895, 21053790]

約数ペア:

[(1, 21053790), (2, 10526895), (3, 7017930), (5, 4210758), (6, 3508965), (9, 2339310), (10, 2105379), (15, 1403586), (18, 1169655), (27, 779770), (30, 701793), (45, 467862), (54, 389885), (90, 233931), (135, 155954), (270, 77977)]