21556332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{757}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 62907936

約数和(自身を除く): 41351604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 678, 757, 791, 1017, 1356, 1514, 1582, 2034, 2271, 2373, 3028, 3164, 4068, 4542, 4746, 5299, 6813, 7119, 9084, 9492, 10598, 13626, 14238, 15897, 21196, 27252, 28476, 31794, 47691, 63588, 85541, 95382, 171082, 190764, 256623, 342164, 513246, 598787, 769869, 1026492, 1197574, 1539738, 1796361, 2395148, 3079476, 3592722, 5389083, 7185444, 10778166, 21556332]

約数ペア:

[(1, 21556332), (2, 10778166), (3, 7185444), (4, 5389083), (6, 3592722), (7, 3079476), (9, 2395148), (12, 1796361), (14, 1539738), (18, 1197574), (21, 1026492), (28, 769869), (36, 598787), (42, 513246), (63, 342164), (84, 256623), (113, 190764), (126, 171082), (226, 95382), (252, 85541), (339, 63588), (452, 47691), (678, 31794), (757, 28476), (791, 27252), (1017, 21196), (1356, 15897), (1514, 14238), (1582, 13626), (2034, 10598), (2271, 9492), (2373, 9084), (3028, 7119), (3164, 6813), (4068, 5299), (4542, 4746)]