21787476

素因数分解:

$2^2\times 3^1\times {\mathrm{911}}^1\times {\mathrm{1993}}^1$

素因数の和:2911

約数の個数: 24

約数和(自身を含む): 50918784

約数和(自身を除く): 29131308

約数列:

[1, 2, 3, 4, 6, 12, 911, 1822, 1993, 2733, 3644, 3986, 5466, 5979, 7972, 10932, 11958, 23916, 1815623, 3631246, 5446869, 7262492, 10893738, 21787476]

約数ペア:

[(1, 21787476), (2, 10893738), (3, 7262492), (4, 5446869), (6, 3631246), (12, 1815623), (911, 23916), (1822, 11958), (1993, 10932), (2733, 7972), (3644, 5979), (3986, 5466)]