21224280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2297}}^1$

素因数の和:2329

約数の個数: 128

約数和(自身を含む): 79418880

約数和(自身を除く): 58194600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2297, 2310, 3080, 4594, 4620, 6891, 9188, 9240, 11485, 13782, 16079, 18376, 22970, 25267, 27564, 32158, 34455, 45940, 48237, 50534, 55128, 64316, 68910, 75801, 80395, 91880, 96474, 101068, 126335, 128632, 137820, 151602, 160790, 176869, 192948, 202136, 241185, 252670, 275640, 303204, 321580, 353738, 379005, 385896, 482370, 505340, 530607, 606408, 643160, 707476, 758010, 884345, 964740, 1010680, 1061214, 1414952, 1516020, 1768690, 1929480, 2122428, 2653035, 3032040, 3537380, 4244856, 5306070, 7074760, 10612140, 21224280]

約数ペア:

[(1, 21224280), (2, 10612140), (3, 7074760), (4, 5306070), (5, 4244856), (6, 3537380), (7, 3032040), (8, 2653035), (10, 2122428), (11, 1929480), (12, 1768690), (14, 1516020), (15, 1414952), (20, 1061214), (21, 1010680), (22, 964740), (24, 884345), (28, 758010), (30, 707476), (33, 643160), (35, 606408), (40, 530607), (42, 505340), (44, 482370), (55, 385896), (56, 379005), (60, 353738), (66, 321580), (70, 303204), (77, 275640), (84, 252670), (88, 241185), (105, 202136), (110, 192948), (120, 176869), (132, 160790), (140, 151602), (154, 137820), (165, 128632), (168, 126335), (210, 101068), (220, 96474), (231, 91880), (264, 80395), (280, 75801), (308, 68910), (330, 64316), (385, 55128), (420, 50534), (440, 48237), (462, 45940), (616, 34455), (660, 32158), (770, 27564), (840, 25267), (924, 22970), (1155, 18376), (1320, 16079), (1540, 13782), (1848, 11485), (2297, 9240), (2310, 9188), (3080, 6891), (4594, 4620)]