21063056

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3083}}^1$

素因数の和:3159

約数の個数: 40

約数和(自身を含む): 47419584

約数和(自身を除く): 26356528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3083, 3416, 6166, 6832, 12332, 21581, 24664, 43162, 49328, 86324, 172648, 188063, 345296, 376126, 752252, 1316441, 1504504, 2632882, 3009008, 5265764, 10531528, 21063056]

約数ペア:

[(1, 21063056), (2, 10531528), (4, 5265764), (7, 3009008), (8, 2632882), (14, 1504504), (16, 1316441), (28, 752252), (56, 376126), (61, 345296), (112, 188063), (122, 172648), (244, 86324), (427, 49328), (488, 43162), (854, 24664), (976, 21581), (1708, 12332), (3083, 6832), (3416, 6166)]