21198072

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 66240000

約数和(自身を除く): 45041928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 29, 38, 42, 56, 57, 58, 76, 84, 87, 114, 116, 133, 152, 168, 174, 203, 228, 229, 232, 266, 348, 399, 406, 456, 458, 532, 551, 609, 687, 696, 798, 812, 916, 1064, 1102, 1218, 1374, 1596, 1603, 1624, 1653, 1832, 2204, 2436, 2748, 3192, 3206, 3306, 3857, 4351, 4408, 4809, 4872, 5496, 6412, 6612, 6641, 7714, 8702, 9618, 11571, 12824, 13053, 13224, 13282, 15428, 17404, 19236, 19923, 23142, 26106, 26564, 30457, 30856, 34808, 38472, 39846, 46284, 46487, 52212, 53128, 60914, 79692, 91371, 92568, 92974, 104424, 121828, 126179, 139461, 159384, 182742, 185948, 243656, 252358, 278922, 365484, 371896, 378537, 504716, 557844, 730968, 757074, 883253, 1009432, 1115688, 1514148, 1766506, 2649759, 3028296, 3533012, 5299518, 7066024, 10599036, 21198072]

約数ペア:

[(1, 21198072), (2, 10599036), (3, 7066024), (4, 5299518), (6, 3533012), (7, 3028296), (8, 2649759), (12, 1766506), (14, 1514148), (19, 1115688), (21, 1009432), (24, 883253), (28, 757074), (29, 730968), (38, 557844), (42, 504716), (56, 378537), (57, 371896), (58, 365484), (76, 278922), (84, 252358), (87, 243656), (114, 185948), (116, 182742), (133, 159384), (152, 139461), (168, 126179), (174, 121828), (203, 104424), (228, 92974), (229, 92568), (232, 91371), (266, 79692), (348, 60914), (399, 53128), (406, 52212), (456, 46487), (458, 46284), (532, 39846), (551, 38472), (609, 34808), (687, 30856), (696, 30457), (798, 26564), (812, 26106), (916, 23142), (1064, 19923), (1102, 19236), (1218, 17404), (1374, 15428), (1596, 13282), (1603, 13224), (1624, 13053), (1653, 12824), (1832, 11571), (2204, 9618), (2436, 8702), (2748, 7714), (3192, 6641), (3206, 6612), (3306, 6412), (3857, 5496), (4351, 4872), (4408, 4809)]