21521946

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2659}}^1$

素因数の和:2754

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 24442854

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 142, 213, 426, 1349, 2659, 2698, 4047, 5318, 7977, 8094, 15954, 50521, 101042, 151563, 188789, 303126, 377578, 566367, 1132734, 3586991, 7173982, 10760973, 21521946]

約数ペア:

[(1, 21521946), (2, 10760973), (3, 7173982), (6, 3586991), (19, 1132734), (38, 566367), (57, 377578), (71, 303126), (114, 188789), (142, 151563), (213, 101042), (426, 50521), (1349, 15954), (2659, 8094), (2698, 7977), (4047, 5318)]