21635278

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 38497536

約数和(自身を除く): 16862258

約数列:

[1, 2, 7, 14, 43, 83, 86, 166, 301, 433, 581, 602, 866, 1162, 3031, 3569, 6062, 7138, 18619, 24983, 35939, 37238, 49966, 71878, 130333, 251573, 260666, 503146, 1545377, 3090754, 10817639, 21635278]

約数ペア:

[(1, 21635278), (2, 10817639), (7, 3090754), (14, 1545377), (43, 503146), (83, 260666), (86, 251573), (166, 130333), (301, 71878), (433, 49966), (581, 37238), (602, 35939), (866, 24983), (1162, 18619), (3031, 7138), (3569, 6062)]