21905730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 74131200

約数和(自身を除く): 52225470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 29, 30, 33, 35, 42, 45, 55, 58, 63, 66, 70, 77, 87, 90, 99, 105, 109, 110, 126, 145, 154, 165, 174, 198, 203, 210, 218, 231, 261, 290, 315, 319, 327, 330, 385, 406, 435, 462, 495, 522, 545, 609, 630, 638, 654, 693, 763, 770, 870, 957, 981, 990, 1015, 1090, 1155, 1199, 1218, 1305, 1386, 1526, 1595, 1635, 1827, 1914, 1962, 2030, 2233, 2289, 2310, 2398, 2610, 2871, 3045, 3161, 3190, 3270, 3465, 3597, 3654, 3815, 4466, 4578, 4785, 4905, 5742, 5995, 6090, 6322, 6699, 6867, 6930, 7194, 7630, 8393, 9135, 9483, 9570, 9810, 10791, 11165, 11445, 11990, 13398, 13734, 14355, 15805, 16786, 17985, 18270, 18966, 20097, 21582, 22127, 22330, 22890, 25179, 28449, 28710, 31610, 33495, 34335, 34771, 35970, 40194, 41965, 44254, 47415, 50358, 53955, 56898, 66381, 66990, 68670, 69542, 75537, 83930, 94830, 100485, 104313, 107910, 110635, 125895, 132762, 142245, 151074, 173855, 199143, 200970, 208626, 221270, 243397, 251790, 284490, 312939, 331905, 347710, 377685, 398286, 486794, 521565, 625878, 663810, 730191, 755370, 995715, 1043130, 1216985, 1460382, 1564695, 1991430, 2190573, 2433970, 3129390, 3650955, 4381146, 7301910, 10952865, 21905730]

約数ペア:

[(1, 21905730), (2, 10952865), (3, 7301910), (5, 4381146), (6, 3650955), (7, 3129390), (9, 2433970), (10, 2190573), (11, 1991430), (14, 1564695), (15, 1460382), (18, 1216985), (21, 1043130), (22, 995715), (29, 755370), (30, 730191), (33, 663810), (35, 625878), (42, 521565), (45, 486794), (55, 398286), (58, 377685), (63, 347710), (66, 331905), (70, 312939), (77, 284490), (87, 251790), (90, 243397), (99, 221270), (105, 208626), (109, 200970), (110, 199143), (126, 173855), (145, 151074), (154, 142245), (165, 132762), (174, 125895), (198, 110635), (203, 107910), (210, 104313), (218, 100485), (231, 94830), (261, 83930), (290, 75537), (315, 69542), (319, 68670), (327, 66990), (330, 66381), (385, 56898), (406, 53955), (435, 50358), (462, 47415), (495, 44254), (522, 41965), (545, 40194), (609, 35970), (630, 34771), (638, 34335), (654, 33495), (693, 31610), (763, 28710), (770, 28449), (870, 25179), (957, 22890), (981, 22330), (990, 22127), (1015, 21582), (1090, 20097), (1155, 18966), (1199, 18270), (1218, 17985), (1305, 16786), (1386, 15805), (1526, 14355), (1595, 13734), (1635, 13398), (1827, 11990), (1914, 11445), (1962, 11165), (2030, 10791), (2233, 9810), (2289, 9570), (2310, 9483), (2398, 9135), (2610, 8393), (2871, 7630), (3045, 7194), (3161, 6930), (3190, 6867), (3270, 6699), (3465, 6322), (3597, 6090), (3654, 5995), (3815, 5742), (4466, 4905), (4578, 4785)]