21438648

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1322

約数の個数: 128

約数和(自身を含む): 74304000

約数和(自身を除く): 52865352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 126, 132, 154, 168, 189, 198, 216, 231, 252, 264, 297, 308, 378, 396, 462, 504, 594, 616, 693, 756, 792, 924, 1188, 1289, 1386, 1512, 1848, 2079, 2376, 2578, 2772, 3867, 4158, 5156, 5544, 7734, 8316, 9023, 10312, 11601, 14179, 15468, 16632, 18046, 23202, 27069, 28358, 30936, 34803, 36092, 42537, 46404, 54138, 56716, 69606, 72184, 81207, 85074, 92808, 99253, 108276, 113432, 127611, 139212, 162414, 170148, 198506, 216552, 243621, 255222, 278424, 297759, 324828, 340296, 382833, 397012, 487242, 510444, 595518, 649656, 765666, 794024, 893277, 974484, 1020888, 1191036, 1531332, 1786554, 1948968, 2382072, 2679831, 3062664, 3573108, 5359662, 7146216, 10719324, 21438648]

約数ペア:

[(1, 21438648), (2, 10719324), (3, 7146216), (4, 5359662), (6, 3573108), (7, 3062664), (8, 2679831), (9, 2382072), (11, 1948968), (12, 1786554), (14, 1531332), (18, 1191036), (21, 1020888), (22, 974484), (24, 893277), (27, 794024), (28, 765666), (33, 649656), (36, 595518), (42, 510444), (44, 487242), (54, 397012), (56, 382833), (63, 340296), (66, 324828), (72, 297759), (77, 278424), (84, 255222), (88, 243621), (99, 216552), (108, 198506), (126, 170148), (132, 162414), (154, 139212), (168, 127611), (189, 113432), (198, 108276), (216, 99253), (231, 92808), (252, 85074), (264, 81207), (297, 72184), (308, 69606), (378, 56716), (396, 54138), (462, 46404), (504, 42537), (594, 36092), (616, 34803), (693, 30936), (756, 28358), (792, 27069), (924, 23202), (1188, 18046), (1289, 16632), (1386, 15468), (1512, 14179), (1848, 11601), (2079, 10312), (2376, 9023), (2578, 8316), (2772, 7734), (3867, 5544), (4158, 5156)]