21116472

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1277}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 57970080

約数和(自身を除く): 36853608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1272, 1277, 1378, 2067, 2554, 2756, 3831, 4134, 5108, 5512, 7662, 8268, 10216, 15324, 16536, 16601, 30648, 33202, 49803, 66404, 67681, 99606, 132808, 135362, 199212, 203043, 270724, 398424, 406086, 541448, 812172, 879853, 1624344, 1759706, 2639559, 3519412, 5279118, 7038824, 10558236, 21116472]

約数ペア:

[(1, 21116472), (2, 10558236), (3, 7038824), (4, 5279118), (6, 3519412), (8, 2639559), (12, 1759706), (13, 1624344), (24, 879853), (26, 812172), (39, 541448), (52, 406086), (53, 398424), (78, 270724), (104, 203043), (106, 199212), (156, 135362), (159, 132808), (212, 99606), (312, 67681), (318, 66404), (424, 49803), (636, 33202), (689, 30648), (1272, 16601), (1277, 16536), (1378, 15324), (2067, 10216), (2554, 8268), (2756, 7662), (3831, 5512), (4134, 5108)]