21320742030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{28447}}^1$

素因数の和:28590

約数の個数: 128

約数和(自身を含む): 60562833408

約数和(自身を除く): 39242091378

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 83, 86, 105, 129, 166, 210, 215, 249, 258, 301, 415, 430, 498, 581, 602, 645, 830, 903, 1162, 1245, 1290, 1505, 1743, 1806, 2490, 2905, 3010, 3486, 3569, 4515, 5810, 7138, 8715, 9030, 10707, 17430, 17845, 21414, 24983, 28447, 35690, 49966, 53535, 56894, 74949, 85341, 107070, 124915, 142235, 149898, 170682, 199129, 249830, 284470, 374745, 398258, 426705, 597387, 749490, 853410, 995645, 1194774, 1223221, 1991290, 2361101, 2446442, 2986935, 3669663, 4722202, 5973870, 6116105, 7083303, 7339326, 8562547, 11805505, 12232210, 14166606, 16527707, 17125094, 18348315, 23611010, 25687641, 33055414, 35416515, 36696630, 42812735, 49583121, 51375282, 70833030, 82638535, 85625470, 99166242, 101527343, 128438205, 165277070, 203054686, 247915605, 256876410, 304582029, 495831210, 507636715, 609164058, 710691401, 1015273430, 1421382802, 1522910145, 2132074203, 3045820290, 3553457005, 4264148406, 7106914010, 10660371015, 21320742030]

約数ペア:

[(1, 21320742030), (2, 10660371015), (3, 7106914010), (5, 4264148406), (6, 3553457005), (7, 3045820290), (10, 2132074203), (14, 1522910145), (15, 1421382802), (21, 1015273430), (30, 710691401), (35, 609164058), (42, 507636715), (43, 495831210), (70, 304582029), (83, 256876410), (86, 247915605), (105, 203054686), (129, 165277070), (166, 128438205), (210, 101527343), (215, 99166242), (249, 85625470), (258, 82638535), (301, 70833030), (415, 51375282), (430, 49583121), (498, 42812735), (581, 36696630), (602, 35416515), (645, 33055414), (830, 25687641), (903, 23611010), (1162, 18348315), (1245, 17125094), (1290, 16527707), (1505, 14166606), (1743, 12232210), (1806, 11805505), (2490, 8562547), (2905, 7339326), (3010, 7083303), (3486, 6116105), (3569, 5973870), (4515, 4722202), (5810, 3669663), (7138, 2986935), (8715, 2446442), (9030, 2361101), (10707, 1991290), (17430, 1223221), (17845, 1194774), (21414, 995645), (24983, 853410), (28447, 749490), (35690, 597387), (49966, 426705), (53535, 398258), (56894, 374745), (74949, 284470), (85341, 249830), (107070, 199129), (124915, 170682), (142235, 149898)]