21959546

素因数分解:

$2^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:316

約数の個数: 40

約数和(自身を含む): 40838580

約数和(自身を除く): 18879034

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 269, 343, 538, 686, 833, 1666, 1883, 2401, 3766, 4573, 4802, 5831, 9146, 11662, 13181, 26362, 32011, 40817, 64022, 81634, 92267, 184534, 224077, 448154, 645869, 1291738, 1568539, 3137078, 10979773, 21959546]

約数ペア:

[(1, 21959546), (2, 10979773), (7, 3137078), (14, 1568539), (17, 1291738), (34, 645869), (49, 448154), (98, 224077), (119, 184534), (238, 92267), (269, 81634), (343, 64022), (538, 40817), (686, 32011), (833, 26362), (1666, 13181), (1883, 11662), (2401, 9146), (3766, 5831), (4573, 4802)]