21302330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{877}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 43998336

約数和(自身を除く): 22696006

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 347, 694, 877, 1735, 1754, 2429, 3470, 4385, 4858, 6139, 8770, 12145, 12278, 24290, 30695, 61390, 304319, 608638, 1521595, 2130233, 3043190, 4260466, 10651165, 21302330]

約数ペア:

[(1, 21302330), (2, 10651165), (5, 4260466), (7, 3043190), (10, 2130233), (14, 1521595), (35, 608638), (70, 304319), (347, 61390), (694, 30695), (877, 24290), (1735, 12278), (1754, 12145), (2429, 8770), (3470, 6139), (4385, 4858)]