21848680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{78031}}^1$

素因数の和:78049

約数の個数: 32

約数和(自身を含む): 56183040

約数和(自身を除く): 34334360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 78031, 156062, 312124, 390155, 546217, 624248, 780310, 1092434, 1560620, 2184868, 2731085, 3121240, 4369736, 5462170, 10924340, 21848680]

約数ペア:

[(1, 21848680), (2, 10924340), (4, 5462170), (5, 4369736), (7, 3121240), (8, 2731085), (10, 2184868), (14, 1560620), (20, 1092434), (28, 780310), (35, 624248), (40, 546217), (56, 390155), (70, 312124), (140, 156062), (280, 78031)]