21928760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{78317}}^1$

素因数の和:78335

約数の個数: 32

約数和(自身を含む): 56388960

約数和(自身を除く): 34460200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 78317, 156634, 313268, 391585, 548219, 626536, 783170, 1096438, 1566340, 2192876, 2741095, 3132680, 4385752, 5482190, 10964380, 21928760]

約数ペア:

[(1, 21928760), (2, 10964380), (4, 5482190), (5, 4385752), (7, 3132680), (8, 2741095), (10, 2192876), (14, 1566340), (20, 1096438), (28, 783170), (35, 626536), (40, 548219), (56, 391585), (70, 313268), (140, 156634), (280, 78317)]