21373830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{237487}}^1$

素因数の和:237500

約数の個数: 24

約数和(自身を含む): 55572192

約数和(自身を除く): 34198362

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 237487, 474974, 712461, 1187435, 1424922, 2137383, 2374870, 3562305, 4274766, 7124610, 10686915, 21373830]

約数ペア:

[(1, 21373830), (2, 10686915), (3, 7124610), (5, 4274766), (6, 3562305), (9, 2374870), (10, 2137383), (15, 1424922), (18, 1187435), (30, 712461), (45, 474974), (90, 237487)]