21098476

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 44154880

約数和(自身を除く): 23056404

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 109, 124, 217, 218, 223, 434, 436, 446, 763, 868, 892, 1526, 1561, 3052, 3122, 3379, 6244, 6758, 6913, 13516, 13826, 23653, 24307, 27652, 47306, 48391, 48614, 94612, 96782, 97228, 170149, 193564, 340298, 680596, 753517, 1507034, 3014068, 5274619, 10549238, 21098476]

約数ペア:

[(1, 21098476), (2, 10549238), (4, 5274619), (7, 3014068), (14, 1507034), (28, 753517), (31, 680596), (62, 340298), (109, 193564), (124, 170149), (217, 97228), (218, 96782), (223, 94612), (434, 48614), (436, 48391), (446, 47306), (763, 27652), (868, 24307), (892, 23653), (1526, 13826), (1561, 13516), (3052, 6913), (3122, 6758), (3379, 6244)]