21419424

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1939

約数の個数: 96

約数和(自身を含む): 67314240

約数和(自身を除く): 45894816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 208, 216, 234, 288, 312, 351, 416, 432, 468, 624, 702, 864, 936, 1248, 1404, 1872, 1907, 2808, 3744, 3814, 5616, 5721, 7628, 11232, 11442, 15256, 17163, 22884, 24791, 30512, 34326, 45768, 49582, 51489, 61024, 68652, 74373, 91536, 99164, 102978, 137304, 148746, 183072, 198328, 205956, 223119, 274608, 297492, 396656, 411912, 446238, 549216, 594984, 669357, 793312, 823824, 892476, 1189968, 1338714, 1647648, 1784952, 2379936, 2677428, 3569904, 5354856, 7139808, 10709712, 21419424]

約数ペア:

[(1, 21419424), (2, 10709712), (3, 7139808), (4, 5354856), (6, 3569904), (8, 2677428), (9, 2379936), (12, 1784952), (13, 1647648), (16, 1338714), (18, 1189968), (24, 892476), (26, 823824), (27, 793312), (32, 669357), (36, 594984), (39, 549216), (48, 446238), (52, 411912), (54, 396656), (72, 297492), (78, 274608), (96, 223119), (104, 205956), (108, 198328), (117, 183072), (144, 148746), (156, 137304), (208, 102978), (216, 99164), (234, 91536), (288, 74373), (312, 68652), (351, 61024), (416, 51489), (432, 49582), (468, 45768), (624, 34326), (702, 30512), (864, 24791), (936, 22884), (1248, 17163), (1404, 15256), (1872, 11442), (1907, 11232), (2808, 7628), (3744, 5721), (3814, 5616)]