21268608

素因数分解:

$2^7\times 3^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 57177120

約数和(自身を除く): 35908512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 97, 128, 192, 194, 291, 384, 388, 571, 582, 776, 1142, 1164, 1552, 1713, 2284, 2328, 3104, 3426, 4568, 4656, 6208, 6852, 9136, 9312, 12416, 13704, 18272, 18624, 27408, 36544, 37248, 54816, 55387, 73088, 109632, 110774, 166161, 219264, 221548, 332322, 443096, 664644, 886192, 1329288, 1772384, 2658576, 3544768, 5317152, 7089536, 10634304, 21268608]

約数ペア:

[(1, 21268608), (2, 10634304), (3, 7089536), (4, 5317152), (6, 3544768), (8, 2658576), (12, 1772384), (16, 1329288), (24, 886192), (32, 664644), (48, 443096), (64, 332322), (96, 221548), (97, 219264), (128, 166161), (192, 110774), (194, 109632), (291, 73088), (384, 55387), (388, 54816), (571, 37248), (582, 36544), (776, 27408), (1142, 18624), (1164, 18272), (1552, 13704), (1713, 12416), (2284, 9312), (2328, 9136), (3104, 6852), (3426, 6208), (4568, 4656)]