21619728

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11549}}^1$

素因数の和:11576

約数の個数: 60

約数和(自身を含む): 65165100

約数和(自身を除く): 43545372

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11549, 23098, 34647, 46196, 69294, 92392, 103941, 138588, 150137, 184784, 207882, 277176, 300274, 415764, 450411, 554352, 600548, 831528, 900822, 1201096, 1351233, 1663056, 1801644, 2402192, 2702466, 3603288, 5404932, 7206576, 10809864, 21619728]

約数ペア:

[(1, 21619728), (2, 10809864), (3, 7206576), (4, 5404932), (6, 3603288), (8, 2702466), (9, 2402192), (12, 1801644), (13, 1663056), (16, 1351233), (18, 1201096), (24, 900822), (26, 831528), (36, 600548), (39, 554352), (48, 450411), (52, 415764), (72, 300274), (78, 277176), (104, 207882), (117, 184784), (144, 150137), (156, 138588), (208, 103941), (234, 92392), (312, 69294), (468, 46196), (624, 34647), (936, 23098), (1872, 11549)]