21322672

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3121}}^1$

素因数の和:3197

約数の個数: 40

約数和(自身を含む): 48003872

約数和(自身を除く): 26681200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3121, 3416, 6242, 6832, 12484, 21847, 24968, 43694, 49936, 87388, 174776, 190381, 349552, 380762, 761524, 1332667, 1523048, 2665334, 3046096, 5330668, 10661336, 21322672]

約数ペア:

[(1, 21322672), (2, 10661336), (4, 5330668), (7, 3046096), (8, 2665334), (14, 1523048), (16, 1332667), (28, 761524), (56, 380762), (61, 349552), (112, 190381), (122, 174776), (244, 87388), (427, 49936), (488, 43694), (854, 24968), (976, 21847), (1708, 12484), (3121, 6832), (3416, 6242)]