21803090

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{9521}}^1$

素因数の和:9757

約数の個数: 16

約数和(自身を含む): 39421080

約数和(自身を除く): 17617990

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 9521, 19042, 47605, 95210, 2180309, 4360618, 10901545, 21803090]

約数ペア:

[(1, 21803090), (2, 10901545), (5, 4360618), (10, 2180309), (229, 95210), (458, 47605), (1145, 19042), (2290, 9521)]