21408930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{237877}}^1$

素因数の和:237890

約数の個数: 24

約数和(自身を含む): 55663452

約数和(自身を除く): 34254522

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 237877, 475754, 713631, 1189385, 1427262, 2140893, 2378770, 3568155, 4281786, 7136310, 10704465, 21408930]

約数ペア:

[(1, 21408930), (2, 10704465), (3, 7136310), (5, 4281786), (6, 3568155), (9, 2378770), (10, 2140893), (15, 1427262), (18, 1189385), (30, 713631), (45, 475754), (90, 237877)]