21401710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6709}}^1$

素因数の和:6756

約数の個数: 32

約数和(自身を含む): 43480800

約数和(自身を除く): 22079090

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6709, 13418, 33545, 67090, 73799, 147598, 194561, 368995, 389122, 737990, 972805, 1945610, 2140171, 4280342, 10700855, 21401710]

約数ペア:

[(1, 21401710), (2, 10700855), (5, 4280342), (10, 2140171), (11, 1945610), (22, 972805), (29, 737990), (55, 389122), (58, 368995), (110, 194561), (145, 147598), (290, 73799), (319, 67090), (638, 33545), (1595, 13418), (3190, 6709)]