21135103630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1\times {\mathrm{1543}}^1$

素因数の和:2173

約数の個数: 64

約数和(自身を含む): 40610782080

約数和(自身を除く): 19475678450

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 394, 409, 818, 985, 1543, 1970, 2045, 3086, 3349, 4090, 6698, 6953, 7715, 13906, 15430, 16745, 26231, 33490, 34765, 52462, 69530, 80573, 131155, 161146, 262310, 303971, 402865, 607942, 631087, 805730, 1262174, 1369741, 1519855, 2739482, 3039710, 3155435, 5167507, 6310870, 6848705, 10335014, 10728479, 13697410, 21456958, 25837535, 51675070, 53642395, 107284790, 124324139, 248648278, 621620695, 1243241390, 2113510363, 4227020726, 10567551815, 21135103630]

約数ペア:

[(1, 21135103630), (2, 10567551815), (5, 4227020726), (10, 2113510363), (17, 1243241390), (34, 621620695), (85, 248648278), (170, 124324139), (197, 107284790), (394, 53642395), (409, 51675070), (818, 25837535), (985, 21456958), (1543, 13697410), (1970, 10728479), (2045, 10335014), (3086, 6848705), (3349, 6310870), (4090, 5167507), (6698, 3155435), (6953, 3039710), (7715, 2739482), (13906, 1519855), (15430, 1369741), (16745, 1262174), (26231, 805730), (33490, 631087), (34765, 607942), (52462, 402865), (69530, 303971), (80573, 262310), (131155, 161146)]