21966378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{12163}}^1$

素因数の和:12218

約数の個数: 32

約数和(自身を含む): 51380736

約数和(自身を除く): 29414358

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 12163, 24326, 36489, 72978, 85141, 170282, 255423, 510846, 523009, 1046018, 1569027, 3138054, 3661063, 7322126, 10983189, 21966378]

約数ペア:

[(1, 21966378), (2, 10983189), (3, 7322126), (6, 3661063), (7, 3138054), (14, 1569027), (21, 1046018), (42, 523009), (43, 510846), (86, 255423), (129, 170282), (258, 85141), (301, 72978), (602, 36489), (903, 24326), (1806, 12163)]