21034860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 76446720

約数和(自身を除く): 55411860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 29, 30, 33, 35, 42, 44, 55, 58, 60, 66, 70, 77, 84, 87, 105, 110, 116, 132, 140, 145, 154, 157, 165, 174, 203, 210, 220, 231, 290, 308, 314, 319, 330, 348, 385, 406, 420, 435, 462, 471, 580, 609, 628, 638, 660, 770, 785, 812, 870, 924, 942, 957, 1015, 1099, 1155, 1218, 1276, 1540, 1570, 1595, 1727, 1740, 1884, 1914, 2030, 2198, 2233, 2310, 2355, 2436, 3045, 3140, 3190, 3297, 3454, 3828, 4060, 4396, 4466, 4553, 4620, 4710, 4785, 5181, 5495, 6090, 6380, 6594, 6699, 6908, 8635, 8932, 9106, 9420, 9570, 10362, 10990, 11165, 12089, 12180, 13188, 13398, 13659, 16485, 17270, 18212, 19140, 20724, 21980, 22330, 22765, 24178, 25905, 26796, 27318, 31871, 32970, 33495, 34540, 36267, 44660, 45530, 48356, 50083, 51810, 54636, 60445, 63742, 65940, 66990, 68295, 72534, 91060, 95613, 100166, 103620, 120890, 127484, 133980, 136590, 145068, 150249, 159355, 181335, 191226, 200332, 241780, 250415, 273180, 300498, 318710, 350581, 362670, 382452, 478065, 500830, 600996, 637420, 701162, 725340, 751245, 956130, 1001660, 1051743, 1402324, 1502490, 1752905, 1912260, 2103486, 3004980, 3505810, 4206972, 5258715, 7011620, 10517430, 21034860]

約数ペア:

[(1, 21034860), (2, 10517430), (3, 7011620), (4, 5258715), (5, 4206972), (6, 3505810), (7, 3004980), (10, 2103486), (11, 1912260), (12, 1752905), (14, 1502490), (15, 1402324), (20, 1051743), (21, 1001660), (22, 956130), (28, 751245), (29, 725340), (30, 701162), (33, 637420), (35, 600996), (42, 500830), (44, 478065), (55, 382452), (58, 362670), (60, 350581), (66, 318710), (70, 300498), (77, 273180), (84, 250415), (87, 241780), (105, 200332), (110, 191226), (116, 181335), (132, 159355), (140, 150249), (145, 145068), (154, 136590), (157, 133980), (165, 127484), (174, 120890), (203, 103620), (210, 100166), (220, 95613), (231, 91060), (290, 72534), (308, 68295), (314, 66990), (319, 65940), (330, 63742), (348, 60445), (385, 54636), (406, 51810), (420, 50083), (435, 48356), (462, 45530), (471, 44660), (580, 36267), (609, 34540), (628, 33495), (638, 32970), (660, 31871), (770, 27318), (785, 26796), (812, 25905), (870, 24178), (924, 22765), (942, 22330), (957, 21980), (1015, 20724), (1099, 19140), (1155, 18212), (1218, 17270), (1276, 16485), (1540, 13659), (1570, 13398), (1595, 13188), (1727, 12180), (1740, 12089), (1884, 11165), (1914, 10990), (2030, 10362), (2198, 9570), (2233, 9420), (2310, 9106), (2355, 8932), (2436, 8635), (3045, 6908), (3140, 6699), (3190, 6594), (3297, 6380), (3454, 6090), (3828, 5495), (4060, 5181), (4396, 4785), (4466, 4710), (4553, 4620)]