21255444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84347}}^1$

素因数の和:84364

約数の個数: 36

約数和(自身を含む): 61405344

約数和(自身を除く): 40149900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84347, 168694, 253041, 337388, 506082, 590429, 759123, 1012164, 1180858, 1518246, 1771287, 2361716, 3036492, 3542574, 5313861, 7085148, 10627722, 21255444]

約数ペア:

[(1, 21255444), (2, 10627722), (3, 7085148), (4, 5313861), (6, 3542574), (7, 3036492), (9, 2361716), (12, 1771287), (14, 1518246), (18, 1180858), (21, 1012164), (28, 759123), (36, 590429), (42, 506082), (63, 337388), (84, 253041), (126, 168694), (252, 84347)]