21879108

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1103}}^1$

素因数の和:1161

約数の個数: 72

約数和(自身を含む): 60278400

約数和(自身を除く): 38399292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1103, 1653, 2204, 2206, 3306, 3309, 4412, 4959, 6612, 6618, 9918, 9927, 13236, 19836, 19854, 20957, 31987, 39708, 41914, 62871, 63974, 83828, 95961, 125742, 127948, 188613, 191922, 251484, 287883, 377226, 383844, 575766, 607753, 754452, 1151532, 1215506, 1823259, 2431012, 3646518, 5469777, 7293036, 10939554, 21879108]

約数ペア:

[(1, 21879108), (2, 10939554), (3, 7293036), (4, 5469777), (6, 3646518), (9, 2431012), (12, 1823259), (18, 1215506), (19, 1151532), (29, 754452), (36, 607753), (38, 575766), (57, 383844), (58, 377226), (76, 287883), (87, 251484), (114, 191922), (116, 188613), (171, 127948), (174, 125742), (228, 95961), (261, 83828), (342, 63974), (348, 62871), (522, 41914), (551, 39708), (684, 31987), (1044, 20957), (1102, 19854), (1103, 19836), (1653, 13236), (2204, 9927), (2206, 9918), (3306, 6618), (3309, 6612), (4412, 4959)]