2021495

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 2911104

約数和(自身を除く): 889609

約数列:

[1, 5, 7, 35, 37, 49, 185, 223, 245, 259, 1115, 1295, 1561, 1813, 7805, 8251, 9065, 10927, 41255, 54635, 57757, 288785, 404299, 2021495]

約数ペア:

[(1, 2021495), (5, 404299), (7, 288785), (35, 57757), (37, 54635), (49, 41255), (185, 10927), (223, 9065), (245, 8251), (259, 7805), (1115, 1813), (1295, 1561)]