21724374

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 53121024

約数和(自身を除く): 31396650

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 43, 46, 69, 86, 129, 138, 161, 258, 301, 322, 483, 523, 602, 903, 966, 989, 1046, 1569, 1806, 1978, 2967, 3138, 3661, 5934, 6923, 7322, 10983, 12029, 13846, 20769, 21966, 22489, 24058, 36087, 41538, 44978, 67467, 72174, 84203, 134934, 157423, 168406, 252609, 314846, 472269, 505218, 517247, 944538, 1034494, 1551741, 3103482, 3620729, 7241458, 10862187, 21724374]

約数ペア:

[(1, 21724374), (2, 10862187), (3, 7241458), (6, 3620729), (7, 3103482), (14, 1551741), (21, 1034494), (23, 944538), (42, 517247), (43, 505218), (46, 472269), (69, 314846), (86, 252609), (129, 168406), (138, 157423), (161, 134934), (258, 84203), (301, 72174), (322, 67467), (483, 44978), (523, 41538), (602, 36087), (903, 24058), (966, 22489), (989, 21966), (1046, 20769), (1569, 13846), (1806, 12029), (1978, 10983), (2967, 7322), (3138, 6923), (3661, 5934)]