21484090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2939}}^1$

素因数の和:3006

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 20428550

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 2939, 3655, 5878, 7310, 14695, 29390, 49963, 99926, 126377, 249815, 252754, 499630, 631885, 1263770, 2148409, 4296818, 10742045, 21484090]

約数ペア:

[(1, 21484090), (2, 10742045), (5, 4296818), (10, 2148409), (17, 1263770), (34, 631885), (43, 499630), (85, 252754), (86, 249815), (170, 126377), (215, 99926), (430, 49963), (731, 29390), (1462, 14695), (2939, 7310), (3655, 5878)]