21461544

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7643}}^1$

素因数の和:7671

約数の個数: 64

約数和(自身を含む): 64209600

約数和(自身を除く): 42748056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7643, 15286, 22929, 30572, 45858, 61144, 68787, 91716, 99359, 137574, 183432, 198718, 206361, 275148, 298077, 397436, 412722, 550296, 596154, 794872, 825444, 894231, 1192308, 1650888, 1788462, 2384616, 2682693, 3576924, 5365386, 7153848, 10730772, 21461544]

約数ペア:

[(1, 21461544), (2, 10730772), (3, 7153848), (4, 5365386), (6, 3576924), (8, 2682693), (9, 2384616), (12, 1788462), (13, 1650888), (18, 1192308), (24, 894231), (26, 825444), (27, 794872), (36, 596154), (39, 550296), (52, 412722), (54, 397436), (72, 298077), (78, 275148), (104, 206361), (108, 198718), (117, 183432), (156, 137574), (216, 99359), (234, 91716), (312, 68787), (351, 61144), (468, 45858), (702, 30572), (936, 22929), (1404, 15286), (2808, 7643)]