21398874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{1091}}^1$

素因数の和:1570

約数の個数: 32

約数和(自身を含む): 49061376

約数和(自身を除く): 27662502

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 467, 934, 1091, 1401, 2182, 2802, 3269, 3273, 6538, 6546, 7637, 9807, 15274, 19614, 22911, 45822, 509497, 1018994, 1528491, 3056982, 3566479, 7132958, 10699437, 21398874]

約数ペア:

[(1, 21398874), (2, 10699437), (3, 7132958), (6, 3566479), (7, 3056982), (14, 1528491), (21, 1018994), (42, 509497), (467, 45822), (934, 22911), (1091, 19614), (1401, 15274), (2182, 9807), (2802, 7637), (3269, 6546), (3273, 6538)]