21105173674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^2$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 35447086080

約数和(自身を除く): 14341912406

約数列:

[1, 2, 13, 26, 31, 62, 239, 331, 403, 478, 662, 806, 3107, 4303, 6214, 7409, 8606, 10261, 14818, 20522, 79109, 96317, 109561, 133393, 158218, 192634, 219122, 266786, 1028417, 1424293, 2056834, 2452379, 2848586, 3396391, 4904758, 6792782, 26185079, 31880927, 44153083, 52370158, 63761854, 88306166, 340406027, 680812054, 811737449, 1623474898, 10552586837, 21105173674]

約数ペア:

[(1, 21105173674), (2, 10552586837), (13, 1623474898), (26, 811737449), (31, 680812054), (62, 340406027), (239, 88306166), (331, 63761854), (403, 52370158), (478, 44153083), (662, 31880927), (806, 26185079), (3107, 6792782), (4303, 4904758), (6214, 3396391), (7409, 2848586), (8606, 2452379), (10261, 2056834), (14818, 1424293), (20522, 1028417), (79109, 266786), (96317, 219122), (109561, 192634), (133393, 158218)]