21558512

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{9043}}^1$

素因数の和:9200

約数の個数: 20

約数和(自身を含む): 42054600

約数和(自身を除く): 20496088

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 9043, 18086, 36172, 72344, 144688, 1347407, 2694814, 5389628, 10779256, 21558512]

約数ペア:

[(1, 21558512), (2, 10779256), (4, 5389628), (8, 2694814), (16, 1347407), (149, 144688), (298, 72344), (596, 36172), (1192, 18086), (2384, 9043)]