21032481638

素因数分解:

$2^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2951513}}^1$

素因数の和:2952031

約数の個数: 16

約数和(自身を含む): 36126531360

約数和(自身を除く): 15094049722

約数列:

[1, 2, 7, 14, 509, 1018, 3563, 7126, 2951513, 5903026, 20660591, 41321182, 1502320117, 3004640234, 10516240819, 21032481638]

約数ペア:

[(1, 21032481638), (2, 10516240819), (7, 3004640234), (14, 1502320117), (509, 41321182), (1018, 20660591), (3563, 5903026), (7126, 2951513)]