21464688

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 63892736

約数和(自身を除く): 42428048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 193, 331, 336, 386, 579, 662, 772, 993, 1158, 1324, 1351, 1544, 1986, 2316, 2317, 2648, 2702, 3088, 3972, 4053, 4632, 4634, 5296, 5404, 6951, 7944, 8106, 9264, 9268, 10808, 13902, 15888, 16212, 18536, 21616, 27804, 32424, 37072, 55608, 63883, 64848, 111216, 127766, 191649, 255532, 383298, 447181, 511064, 766596, 894362, 1022128, 1341543, 1533192, 1788724, 2683086, 3066384, 3577448, 5366172, 7154896, 10732344, 21464688]

約数ペア:

[(1, 21464688), (2, 10732344), (3, 7154896), (4, 5366172), (6, 3577448), (7, 3066384), (8, 2683086), (12, 1788724), (14, 1533192), (16, 1341543), (21, 1022128), (24, 894362), (28, 766596), (42, 511064), (48, 447181), (56, 383298), (84, 255532), (112, 191649), (168, 127766), (193, 111216), (331, 64848), (336, 63883), (386, 55608), (579, 37072), (662, 32424), (772, 27804), (993, 21616), (1158, 18536), (1324, 16212), (1351, 15888), (1544, 13902), (1986, 10808), (2316, 9268), (2317, 9264), (2648, 8106), (2702, 7944), (3088, 6951), (3972, 5404), (4053, 5296), (4632, 4634)]