21458736

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3821}}^1$

素因数の和:3851

約数の個数: 80

約数和(自身を含む): 66349920

約数和(自身を除く): 44891184

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, 3821, 5616, 7642, 11463, 15284, 22926, 30568, 34389, 45852, 49673, 61136, 68778, 91704, 99346, 103167, 137556, 149019, 183408, 198692, 206334, 275112, 298038, 397384, 412668, 447057, 550224, 596076, 794768, 825336, 894114, 1192152, 1341171, 1650672, 1788228, 2384304, 2682342, 3576456, 5364684, 7152912, 10729368, 21458736]

約数ペア:

[(1, 21458736), (2, 10729368), (3, 7152912), (4, 5364684), (6, 3576456), (8, 2682342), (9, 2384304), (12, 1788228), (13, 1650672), (16, 1341171), (18, 1192152), (24, 894114), (26, 825336), (27, 794768), (36, 596076), (39, 550224), (48, 447057), (52, 412668), (54, 397384), (72, 298038), (78, 275112), (104, 206334), (108, 198692), (117, 183408), (144, 149019), (156, 137556), (208, 103167), (216, 99346), (234, 91704), (312, 68778), (351, 61136), (432, 49673), (468, 45852), (624, 34389), (702, 30568), (936, 22926), (1404, 15284), (1872, 11463), (2808, 7642), (3821, 5616)]