21926490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1787}}^1$

素因数の和:2206

約数の個数: 32

約数和(自身を含む): 52781760

約数和(自身を除く): 30855270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 409, 818, 1227, 1787, 2045, 2454, 3574, 4090, 5361, 6135, 8935, 10722, 12270, 17870, 26805, 53610, 730883, 1461766, 2192649, 3654415, 4385298, 7308830, 10963245, 21926490]

約数ペア:

[(1, 21926490), (2, 10963245), (3, 7308830), (5, 4385298), (6, 3654415), (10, 2192649), (15, 1461766), (30, 730883), (409, 53610), (818, 26805), (1227, 17870), (1787, 12270), (2045, 10722), (2454, 8935), (3574, 6135), (4090, 5361)]