21350583

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 32151600

約数和(自身を除く): 10801017

約数列:

[1, 3, 9, 29, 87, 179, 261, 457, 537, 1371, 1611, 4113, 5191, 13253, 15573, 39759, 46719, 81803, 119277, 245409, 736227, 2372287, 7116861, 21350583]

約数ペア:

[(1, 21350583), (3, 7116861), (9, 2372287), (29, 736227), (87, 245409), (179, 119277), (261, 81803), (457, 46719), (537, 39759), (1371, 15573), (1611, 13253), (4113, 5191)]