21812436

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{1453}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 56996800

約数和(自身を除く): 35184364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 278, 417, 556, 834, 1251, 1453, 1668, 2502, 2906, 3753, 4359, 5004, 5812, 7506, 8718, 13077, 15012, 17436, 26154, 39231, 52308, 78462, 156924, 201967, 403934, 605901, 807868, 1211802, 1817703, 2423604, 3635406, 5453109, 7270812, 10906218, 21812436]

約数ペア:

[(1, 21812436), (2, 10906218), (3, 7270812), (4, 5453109), (6, 3635406), (9, 2423604), (12, 1817703), (18, 1211802), (27, 807868), (36, 605901), (54, 403934), (108, 201967), (139, 156924), (278, 78462), (417, 52308), (556, 39231), (834, 26154), (1251, 17436), (1453, 15012), (1668, 13077), (2502, 8718), (2906, 7506), (3753, 5812), (4359, 5004)]