21053410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^3$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 43966080

約数和(自身を除く): 22912670

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4489, 4690, 8978, 22445, 31423, 44890, 62846, 157115, 300763, 314230, 601526, 1503815, 2105341, 3007630, 4210682, 10526705, 21053410]

約数ペア:

[(1, 21053410), (2, 10526705), (5, 4210682), (7, 3007630), (10, 2105341), (14, 1503815), (35, 601526), (67, 314230), (70, 300763), (134, 157115), (335, 62846), (469, 44890), (670, 31423), (938, 22445), (2345, 8978), (4489, 4690)]