21078930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11909}}^1$

素因数の和:11978

約数の個数: 32

約数和(自身を含む): 51451200

約数和(自身を除く): 30372270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770, 11909, 23818, 35727, 59545, 71454, 119090, 178635, 357270, 702631, 1405262, 2107893, 3513155, 4215786, 7026310, 10539465, 21078930]

約数ペア:

[(1, 21078930), (2, 10539465), (3, 7026310), (5, 4215786), (6, 3513155), (10, 2107893), (15, 1405262), (30, 702631), (59, 357270), (118, 178635), (177, 119090), (295, 71454), (354, 59545), (590, 35727), (885, 23818), (1770, 11909)]