21028966

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{593}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 17462234

約数列:

[1, 2, 7, 14, 17, 34, 119, 149, 238, 298, 593, 1043, 1186, 2086, 2533, 4151, 5066, 8302, 10081, 17731, 20162, 35462, 70567, 88357, 141134, 176714, 618499, 1236998, 1502069, 3004138, 10514483, 21028966]

約数ペア:

[(1, 21028966), (2, 10514483), (7, 3004138), (14, 1502069), (17, 1236998), (34, 618499), (119, 176714), (149, 141134), (238, 88357), (298, 70567), (593, 35462), (1043, 20162), (1186, 17731), (2086, 10081), (2533, 8302), (4151, 5066)]