21357648

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3803}}^1$

素因数の和:3833

約数の個数: 80

約数和(自身を含む): 66037440

約数和(自身を除く): 44679792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3803, 5616, 7606, 11409, 15212, 22818, 30424, 34227, 45636, 49439, 60848, 68454, 91272, 98878, 102681, 136908, 148317, 182544, 197756, 205362, 273816, 296634, 395512, 410724, 444951, 547632, 593268, 791024, 821448, 889902, 1186536, 1334853, 1642896, 1779804, 2373072, 2669706, 3559608, 5339412, 7119216, 10678824, 21357648]

約数ペア:

[(1, 21357648), (2, 10678824), (3, 7119216), (4, 5339412), (6, 3559608), (8, 2669706), (9, 2373072), (12, 1779804), (13, 1642896), (16, 1334853), (18, 1186536), (24, 889902), (26, 821448), (27, 791024), (36, 593268), (39, 547632), (48, 444951), (52, 410724), (54, 395512), (72, 296634), (78, 273816), (104, 205362), (108, 197756), (117, 182544), (144, 148317), (156, 136908), (208, 102681), (216, 98878), (234, 91272), (312, 68454), (351, 60848), (432, 49439), (468, 45636), (624, 34227), (702, 30424), (936, 22818), (1404, 15212), (1872, 11409), (2808, 7606), (3803, 5616)]