21497699230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307109989}}^1$

素因数の和:307110003

約数の個数: 16

約数和(自身を含む): 44223838560

約数和(自身を除く): 22726139330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307109989, 614219978, 1535549945, 2149769923, 3071099890, 4299539846, 10748849615, 21497699230]

約数ペア:

[(1, 21497699230), (2, 10748849615), (5, 4299539846), (7, 3071099890), (10, 2149769923), (14, 1535549945), (35, 614219978), (70, 307109989)]