21003370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1806

約数の個数: 32

約数和(自身を含む): 40217472

約数和(自身を除く): 19214102

約数列:

[1, 2, 5, 10, 23, 46, 53, 106, 115, 230, 265, 530, 1219, 1723, 2438, 3446, 6095, 8615, 12190, 17230, 39629, 79258, 91319, 182638, 198145, 396290, 456595, 913190, 2100337, 4200674, 10501685, 21003370]

約数ペア:

[(1, 21003370), (2, 10501685), (5, 4200674), (10, 2100337), (23, 913190), (46, 456595), (53, 396290), (106, 198145), (115, 182638), (230, 91319), (265, 79258), (530, 39629), (1219, 17230), (1723, 12190), (2438, 8615), (3446, 6095)]