21828112

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 45309600

約数和(自身を除く): 23481488

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1121, 1217, 2242, 2434, 4484, 4868, 8968, 9736, 17936, 19472, 23123, 46246, 71803, 92492, 143606, 184984, 287212, 369968, 574424, 1148848, 1364257, 2728514, 5457028, 10914056, 21828112]

約数ペア:

[(1, 21828112), (2, 10914056), (4, 5457028), (8, 2728514), (16, 1364257), (19, 1148848), (38, 574424), (59, 369968), (76, 287212), (118, 184984), (152, 143606), (236, 92492), (304, 71803), (472, 46246), (944, 23123), (1121, 19472), (1217, 17936), (2242, 9736), (2434, 8968), (4484, 4868)]