21573970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6763}}^1$

素因数の和:6810

約数の個数: 32

約数和(自身を含む): 43830720

約数和(自身を除く): 22256750

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6763, 13526, 33815, 67630, 74393, 148786, 196127, 371965, 392254, 743930, 980635, 1961270, 2157397, 4314794, 10786985, 21573970]

約数ペア:

[(1, 21573970), (2, 10786985), (5, 4314794), (10, 2157397), (11, 1961270), (22, 980635), (29, 743930), (55, 392254), (58, 371965), (110, 196127), (145, 148786), (290, 74393), (319, 67630), (638, 33815), (1595, 13526), (3190, 6763)]