21017066

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 17396374

約数列:

[1, 2, 7, 14, 17, 34, 119, 233, 238, 379, 466, 758, 1631, 2653, 3262, 3961, 5306, 6443, 7922, 12886, 27727, 45101, 55454, 88307, 90202, 176614, 618149, 1236298, 1501219, 3002438, 10508533, 21017066]

約数ペア:

[(1, 21017066), (2, 10508533), (7, 3002438), (14, 1501219), (17, 1236298), (34, 618149), (119, 176614), (233, 90202), (238, 88307), (379, 55454), (466, 45101), (758, 27727), (1631, 12886), (2653, 7922), (3262, 6443), (3961, 5306)]