21032468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 41771520

約数和(自身を除く): 20739052

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 73, 76, 146, 223, 292, 323, 446, 646, 892, 1241, 1292, 1387, 2482, 2774, 3791, 4237, 4964, 5548, 7582, 8474, 15164, 16279, 16948, 23579, 32558, 47158, 65116, 72029, 94316, 144058, 276743, 288116, 309301, 553486, 618602, 1106972, 1237204, 5258117, 10516234, 21032468]

約数ペア:

[(1, 21032468), (2, 10516234), (4, 5258117), (17, 1237204), (19, 1106972), (34, 618602), (38, 553486), (68, 309301), (73, 288116), (76, 276743), (146, 144058), (223, 94316), (292, 72029), (323, 65116), (446, 47158), (646, 32558), (892, 23579), (1241, 16948), (1292, 16279), (1387, 15164), (2482, 8474), (2774, 7582), (3791, 5548), (4237, 4964)]