21049367055

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1\times {\mathrm{29017}}^1$

素因数の和:29515

約数の個数: 32

約数和(自身を含む): 34022096064

約数和(自身を除く): 12972729009

約数列:

[1, 3, 5, 15, 137, 353, 411, 685, 1059, 1765, 2055, 5295, 29017, 48361, 87051, 145083, 145085, 241805, 435255, 725415, 3975329, 10243001, 11925987, 19876645, 30729003, 51215005, 59629935, 153645015, 1403291137, 4209873411, 7016455685, 21049367055]

約数ペア:

[(1, 21049367055), (3, 7016455685), (5, 4209873411), (15, 1403291137), (137, 153645015), (353, 59629935), (411, 51215005), (685, 30729003), (1059, 19876645), (1765, 11925987), (2055, 10243001), (5295, 3975329), (29017, 725415), (48361, 435255), (87051, 241805), (145083, 145085)]