21526725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 17845755

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 97, 165, 269, 275, 291, 485, 807, 825, 1067, 1345, 1455, 2425, 2959, 3201, 4035, 5335, 6725, 7275, 8877, 14795, 16005, 20175, 26093, 26675, 44385, 73975, 78279, 80025, 130465, 221925, 287023, 391395, 652325, 861069, 1435115, 1956975, 4305345, 7175575, 21526725]

約数ペア:

[(1, 21526725), (3, 7175575), (5, 4305345), (11, 1956975), (15, 1435115), (25, 861069), (33, 652325), (55, 391395), (75, 287023), (97, 221925), (165, 130465), (269, 80025), (275, 78279), (291, 73975), (485, 44385), (807, 26675), (825, 26093), (1067, 20175), (1345, 16005), (1455, 14795), (2425, 8877), (2959, 7275), (3201, 6725), (4035, 5335)]