21030156511

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{8867}}^1$

素因数の和:9343

約数の個数: 32

約数和(自身を含む): 26340088320

約数和(自身を除く): 5309931809

約数列:

[1, 7, 13, 67, 91, 389, 469, 871, 2723, 5057, 6097, 8867, 26063, 35399, 62069, 115271, 182441, 338819, 594089, 806897, 2371733, 3449263, 4158623, 7723157, 24144841, 44840419, 54062099, 231100621, 313882933, 1617704347, 3004308073, 21030156511]

約数ペア:

[(1, 21030156511), (7, 3004308073), (13, 1617704347), (67, 313882933), (91, 231100621), (389, 54062099), (469, 44840419), (871, 24144841), (2723, 7723157), (5057, 4158623), (6097, 3449263), (8867, 2371733), (26063, 806897), (35399, 594089), (62069, 338819), (115271, 182441)]