21989016

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{14543}}^1$

素因数の和:14565

約数の個数: 64

約数和(自身を含む): 69811200

約数和(自身を除く): 47822184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 14543, 29086, 43629, 58172, 87258, 101801, 116344, 130887, 174516, 203602, 261774, 305403, 349032, 392661, 407204, 523548, 610806, 785322, 814408, 916209, 1047096, 1221612, 1570644, 1832418, 2443224, 2748627, 3141288, 3664836, 5497254, 7329672, 10994508, 21989016]

約数ペア:

[(1, 21989016), (2, 10994508), (3, 7329672), (4, 5497254), (6, 3664836), (7, 3141288), (8, 2748627), (9, 2443224), (12, 1832418), (14, 1570644), (18, 1221612), (21, 1047096), (24, 916209), (27, 814408), (28, 785322), (36, 610806), (42, 523548), (54, 407204), (56, 392661), (63, 349032), (72, 305403), (84, 261774), (108, 203602), (126, 174516), (168, 130887), (189, 116344), (216, 101801), (252, 87258), (378, 58172), (504, 43629), (756, 29086), (1512, 14543)]