20210912253

素因数分解:

$3^2\times 7^2\times {\mathrm{541}}^1\times {\mathrm{84713}}^1$

素因数の和:85274

約数の個数: 36

約数和(自身を含む): 34023006108

約数和(自身を除く): 13812093855

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 541, 1623, 3787, 4869, 11361, 26509, 34083, 79527, 84713, 238581, 254139, 592991, 762417, 1778973, 4150937, 5336919, 12452811, 37358433, 45829733, 137489199, 320808131, 412467597, 962424393, 2245656917, 2887273179, 6736970751, 20210912253]

約数ペア:

[(1, 20210912253), (3, 6736970751), (7, 2887273179), (9, 2245656917), (21, 962424393), (49, 412467597), (63, 320808131), (147, 137489199), (441, 45829733), (541, 37358433), (1623, 12452811), (3787, 5336919), (4869, 4150937), (11361, 1778973), (26509, 762417), (34083, 592991), (79527, 254139), (84713, 238581)]