21156432

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2396

約数の個数: 80

約数和(自身を含む): 63156672

約数和(自身を除く): 42000240

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 204, 264, 272, 374, 408, 528, 561, 748, 816, 1122, 1496, 2244, 2357, 2992, 4488, 4714, 7071, 8976, 9428, 14142, 18856, 25927, 28284, 37712, 40069, 51854, 56568, 77781, 80138, 103708, 113136, 120207, 155562, 160276, 207416, 240414, 311124, 320552, 414832, 440759, 480828, 622248, 641104, 881518, 961656, 1244496, 1322277, 1763036, 1923312, 2644554, 3526072, 5289108, 7052144, 10578216, 21156432]

約数ペア:

[(1, 21156432), (2, 10578216), (3, 7052144), (4, 5289108), (6, 3526072), (8, 2644554), (11, 1923312), (12, 1763036), (16, 1322277), (17, 1244496), (22, 961656), (24, 881518), (33, 641104), (34, 622248), (44, 480828), (48, 440759), (51, 414832), (66, 320552), (68, 311124), (88, 240414), (102, 207416), (132, 160276), (136, 155562), (176, 120207), (187, 113136), (204, 103708), (264, 80138), (272, 77781), (374, 56568), (408, 51854), (528, 40069), (561, 37712), (748, 28284), (816, 25927), (1122, 18856), (1496, 14142), (2244, 9428), (2357, 8976), (2992, 7071), (4488, 4714)]