21033090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17977}}^1$

素因数の和:18003

約数の個数: 48

約数和(自身を含む): 58895928

約数和(自身を除く): 37862838

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17977, 35954, 53931, 89885, 107862, 161793, 179770, 233701, 269655, 323586, 467402, 539310, 701103, 808965, 1168505, 1402206, 1617930, 2103309, 2337010, 3505515, 4206618, 7011030, 10516545, 21033090]

約数ペア:

[(1, 21033090), (2, 10516545), (3, 7011030), (5, 4206618), (6, 3505515), (9, 2337010), (10, 2103309), (13, 1617930), (15, 1402206), (18, 1168505), (26, 808965), (30, 701103), (39, 539310), (45, 467402), (65, 323586), (78, 269655), (90, 233701), (117, 179770), (130, 161793), (195, 107862), (234, 89885), (390, 53931), (585, 35954), (1170, 17977)]