21981252

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 54353600

約数和(自身を除く): 32372348

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 229, 421, 458, 687, 842, 916, 1263, 1374, 1684, 2526, 2748, 4351, 5052, 7999, 8702, 13053, 15998, 17404, 23997, 26106, 31996, 47994, 52212, 95988, 96409, 192818, 289227, 385636, 578454, 1156908, 1831771, 3663542, 5495313, 7327084, 10990626, 21981252]

約数ペア:

[(1, 21981252), (2, 10990626), (3, 7327084), (4, 5495313), (6, 3663542), (12, 1831771), (19, 1156908), (38, 578454), (57, 385636), (76, 289227), (114, 192818), (228, 96409), (229, 95988), (421, 52212), (458, 47994), (687, 31996), (842, 26106), (916, 23997), (1263, 17404), (1374, 15998), (1684, 13053), (2526, 8702), (2748, 7999), (4351, 5052)]