201421356

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:839

約数の個数: 96

約数和(自身を含む): 524966400

約数和(自身を除く): 323545044

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 41, 57, 58, 76, 82, 87, 114, 116, 123, 164, 174, 228, 246, 348, 492, 551, 743, 779, 1102, 1189, 1486, 1558, 1653, 2204, 2229, 2337, 2378, 2972, 3116, 3306, 3567, 4458, 4674, 4756, 6612, 7134, 8916, 9348, 14117, 14268, 21547, 22591, 28234, 30463, 42351, 43094, 45182, 56468, 60926, 64641, 67773, 84702, 86188, 90364, 91389, 121852, 129282, 135546, 169404, 182778, 258564, 271092, 365556, 409393, 578797, 818786, 883427, 1157594, 1228179, 1637572, 1736391, 1766854, 2315188, 2456358, 2650281, 3472782, 3533708, 4912716, 5300562, 6945564, 10601124, 16785113, 33570226, 50355339, 67140452, 100710678, 201421356]

約数ペア:

[(1, 201421356), (2, 100710678), (3, 67140452), (4, 50355339), (6, 33570226), (12, 16785113), (19, 10601124), (29, 6945564), (38, 5300562), (41, 4912716), (57, 3533708), (58, 3472782), (76, 2650281), (82, 2456358), (87, 2315188), (114, 1766854), (116, 1736391), (123, 1637572), (164, 1228179), (174, 1157594), (228, 883427), (246, 818786), (348, 578797), (492, 409393), (551, 365556), (743, 271092), (779, 258564), (1102, 182778), (1189, 169404), (1486, 135546), (1558, 129282), (1653, 121852), (2204, 91389), (2229, 90364), (2337, 86188), (2378, 84702), (2972, 67773), (3116, 64641), (3306, 60926), (3567, 56468), (4458, 45182), (4674, 43094), (4756, 42351), (6612, 30463), (7134, 28234), (8916, 22591), (9348, 21547), (14117, 14268)]