21356328

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5527}}^1$

素因数の和:5566

約数の個数: 64

約数和(自身を含む): 63682560

約数和(自身を除く): 42326232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 483, 552, 644, 966, 1288, 1932, 3864, 5527, 11054, 16581, 22108, 33162, 38689, 44216, 66324, 77378, 116067, 127121, 132648, 154756, 232134, 254242, 309512, 381363, 464268, 508484, 762726, 889847, 928536, 1016968, 1525452, 1779694, 2669541, 3050904, 3559388, 5339082, 7118776, 10678164, 21356328]

約数ペア:

[(1, 21356328), (2, 10678164), (3, 7118776), (4, 5339082), (6, 3559388), (7, 3050904), (8, 2669541), (12, 1779694), (14, 1525452), (21, 1016968), (23, 928536), (24, 889847), (28, 762726), (42, 508484), (46, 464268), (56, 381363), (69, 309512), (84, 254242), (92, 232134), (138, 154756), (161, 132648), (168, 127121), (184, 116067), (276, 77378), (322, 66324), (483, 44216), (552, 38689), (644, 33162), (966, 22108), (1288, 16581), (1932, 11054), (3864, 5527)]