21560532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1151}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 57802752

約数和(自身を除く): 36242220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 446, 669, 892, 1151, 1338, 1561, 2302, 2676, 3122, 3453, 4604, 4683, 6244, 6906, 8057, 9366, 13812, 16114, 18732, 24171, 32228, 48342, 96684, 256673, 513346, 770019, 1026692, 1540038, 1796711, 3080076, 3593422, 5390133, 7186844, 10780266, 21560532]

約数ペア:

[(1, 21560532), (2, 10780266), (3, 7186844), (4, 5390133), (6, 3593422), (7, 3080076), (12, 1796711), (14, 1540038), (21, 1026692), (28, 770019), (42, 513346), (84, 256673), (223, 96684), (446, 48342), (669, 32228), (892, 24171), (1151, 18732), (1338, 16114), (1561, 13812), (2302, 9366), (2676, 8057), (3122, 6906), (3453, 6244), (4604, 4683)]