21017752

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12107}}^1$

素因数の和:12151

約数の個数: 32

約数和(自身を含む): 46494720

約数和(自身を除く): 25476968

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12107, 24214, 48428, 84749, 96856, 169498, 338996, 375317, 677992, 750634, 1501268, 2627219, 3002536, 5254438, 10508876, 21017752]

約数ペア:

[(1, 21017752), (2, 10508876), (4, 5254438), (7, 3002536), (8, 2627219), (14, 1501268), (28, 750634), (31, 677992), (56, 375317), (62, 338996), (124, 169498), (217, 96856), (248, 84749), (434, 48428), (868, 24214), (1736, 12107)]