21541788

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{3911}}^1$

素因数の和:3944

約数の個数: 60

約数和(自身を含む): 59642352

約数和(自身を除く): 38100564

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 306, 324, 459, 612, 918, 1377, 1836, 2754, 3911, 5508, 7822, 11733, 15644, 23466, 35199, 46932, 66487, 70398, 105597, 132974, 140796, 199461, 211194, 265948, 316791, 398922, 422388, 598383, 633582, 797844, 1196766, 1267164, 1795149, 2393532, 3590298, 5385447, 7180596, 10770894, 21541788]

約数ペア:

[(1, 21541788), (2, 10770894), (3, 7180596), (4, 5385447), (6, 3590298), (9, 2393532), (12, 1795149), (17, 1267164), (18, 1196766), (27, 797844), (34, 633582), (36, 598383), (51, 422388), (54, 398922), (68, 316791), (81, 265948), (102, 211194), (108, 199461), (153, 140796), (162, 132974), (204, 105597), (306, 70398), (324, 66487), (459, 46932), (612, 35199), (918, 23466), (1377, 15644), (1836, 11733), (2754, 7822), (3911, 5508)]