21224520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 75816000

約数和(自身を除く): 54591480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 57, 58, 60, 72, 76, 87, 90, 95, 107, 114, 116, 120, 145, 152, 171, 174, 180, 190, 214, 228, 232, 261, 285, 290, 321, 342, 348, 360, 380, 428, 435, 456, 522, 535, 551, 570, 580, 642, 684, 696, 760, 855, 856, 870, 963, 1044, 1070, 1102, 1140, 1160, 1284, 1305, 1368, 1605, 1653, 1710, 1740, 1926, 2033, 2088, 2140, 2204, 2280, 2568, 2610, 2755, 3103, 3210, 3306, 3420, 3480, 3852, 4066, 4280, 4408, 4815, 4959, 5220, 5510, 6099, 6206, 6420, 6612, 6840, 7704, 8132, 8265, 9309, 9630, 9918, 10165, 10440, 11020, 12198, 12412, 12840, 13224, 15515, 16264, 16530, 18297, 18618, 19260, 19836, 20330, 22040, 24396, 24795, 24824, 27927, 30495, 31030, 33060, 36594, 37236, 38520, 39672, 40660, 46545, 48792, 49590, 55854, 58957, 60990, 62060, 66120, 73188, 74472, 81320, 91485, 93090, 99180, 111708, 117914, 121980, 124120, 139635, 146376, 176871, 182970, 186180, 198360, 223416, 235828, 243960, 279270, 294785, 353742, 365940, 372360, 471656, 530613, 558540, 589570, 707484, 731880, 884355, 1061226, 1117080, 1179140, 1414968, 1768710, 2122452, 2358280, 2653065, 3537420, 4244904, 5306130, 7074840, 10612260, 21224520]

約数ペア:

[(1, 21224520), (2, 10612260), (3, 7074840), (4, 5306130), (5, 4244904), (6, 3537420), (8, 2653065), (9, 2358280), (10, 2122452), (12, 1768710), (15, 1414968), (18, 1179140), (19, 1117080), (20, 1061226), (24, 884355), (29, 731880), (30, 707484), (36, 589570), (38, 558540), (40, 530613), (45, 471656), (57, 372360), (58, 365940), (60, 353742), (72, 294785), (76, 279270), (87, 243960), (90, 235828), (95, 223416), (107, 198360), (114, 186180), (116, 182970), (120, 176871), (145, 146376), (152, 139635), (171, 124120), (174, 121980), (180, 117914), (190, 111708), (214, 99180), (228, 93090), (232, 91485), (261, 81320), (285, 74472), (290, 73188), (321, 66120), (342, 62060), (348, 60990), (360, 58957), (380, 55854), (428, 49590), (435, 48792), (456, 46545), (522, 40660), (535, 39672), (551, 38520), (570, 37236), (580, 36594), (642, 33060), (684, 31030), (696, 30495), (760, 27927), (855, 24824), (856, 24795), (870, 24396), (963, 22040), (1044, 20330), (1070, 19836), (1102, 19260), (1140, 18618), (1160, 18297), (1284, 16530), (1305, 16264), (1368, 15515), (1605, 13224), (1653, 12840), (1710, 12412), (1740, 12198), (1926, 11020), (2033, 10440), (2088, 10165), (2140, 9918), (2204, 9630), (2280, 9309), (2568, 8265), (2610, 8132), (2755, 7704), (3103, 6840), (3210, 6612), (3306, 6420), (3420, 6206), (3480, 6099), (3852, 5510), (4066, 5220), (4280, 4959), (4408, 4815)]