21741776

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 53746560

約数和(自身を除く): 32004784

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 238, 266, 272, 304, 323, 476, 532, 601, 646, 952, 1064, 1202, 1292, 1904, 2128, 2261, 2404, 2584, 4207, 4522, 4808, 5168, 8414, 9044, 9616, 10217, 11419, 16828, 18088, 20434, 22838, 33656, 36176, 40868, 45676, 67312, 71519, 79933, 81736, 91352, 143038, 159866, 163472, 182704, 194123, 286076, 319732, 388246, 572152, 639464, 776492, 1144304, 1278928, 1358861, 1552984, 2717722, 3105968, 5435444, 10870888, 21741776]

約数ペア:

[(1, 21741776), (2, 10870888), (4, 5435444), (7, 3105968), (8, 2717722), (14, 1552984), (16, 1358861), (17, 1278928), (19, 1144304), (28, 776492), (34, 639464), (38, 572152), (56, 388246), (68, 319732), (76, 286076), (112, 194123), (119, 182704), (133, 163472), (136, 159866), (152, 143038), (238, 91352), (266, 81736), (272, 79933), (304, 71519), (323, 67312), (476, 45676), (532, 40868), (601, 36176), (646, 33656), (952, 22838), (1064, 20434), (1202, 18088), (1292, 16828), (1904, 11419), (2128, 10217), (2261, 9616), (2404, 9044), (2584, 8414), (4207, 5168), (4522, 4808)]