21223370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43313}}^1$

素因数の和:43334

約数の個数: 24

約数和(自身を含む): 44440164

約数和(自身を除く): 23216794

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 43313, 86626, 216565, 303191, 433130, 606382, 1515955, 2122337, 3031910, 4244674, 10611685, 21223370]

約数ペア:

[(1, 21223370), (2, 10611685), (5, 4244674), (7, 3031910), (10, 2122337), (14, 1515955), (35, 606382), (49, 433130), (70, 303191), (98, 216565), (245, 86626), (490, 43313)]