21000359558

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1\times {\mathrm{14009}}^1$

素因数の和:14516

約数の個数: 32

約数和(自身を含む): 33570201600

約数和(自身を除く): 12569842042

約数列:

[1, 2, 19, 38, 103, 206, 383, 766, 1957, 3914, 7277, 14009, 14554, 28018, 39449, 78898, 266171, 532342, 749531, 1442927, 1499062, 2885854, 5365447, 10730894, 27415613, 54831226, 101943493, 203886986, 552641041, 1105282082, 10500179779, 21000359558]

約数ペア:

[(1, 21000359558), (2, 10500179779), (19, 1105282082), (38, 552641041), (103, 203886986), (206, 101943493), (383, 54831226), (766, 27415613), (1957, 10730894), (3914, 5365447), (7277, 2885854), (14009, 1499062), (14554, 1442927), (28018, 749531), (39449, 532342), (78898, 266171)]