21654108

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28643}}^1$

素因数の和:28663

約数の個数: 48

約数和(自身を含む): 64162560

約数和(自身を除く): 42508452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28643, 57286, 85929, 114572, 171858, 200501, 257787, 343716, 401002, 515574, 601503, 773361, 802004, 1031148, 1203006, 1546722, 1804509, 2406012, 3093444, 3609018, 5413527, 7218036, 10827054, 21654108]

約数ペア:

[(1, 21654108), (2, 10827054), (3, 7218036), (4, 5413527), (6, 3609018), (7, 3093444), (9, 2406012), (12, 1804509), (14, 1546722), (18, 1203006), (21, 1031148), (27, 802004), (28, 773361), (36, 601503), (42, 515574), (54, 401002), (63, 343716), (84, 257787), (108, 200501), (126, 171858), (189, 114572), (252, 85929), (378, 57286), (756, 28643)]