21551172

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1187}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 53887680

約数和(自身を除く): 32336508

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 89, 102, 178, 204, 267, 356, 534, 1068, 1187, 1513, 2374, 3026, 3561, 4539, 4748, 6052, 7122, 9078, 14244, 18156, 20179, 40358, 60537, 80716, 105643, 121074, 211286, 242148, 316929, 422572, 633858, 1267716, 1795931, 3591862, 5387793, 7183724, 10775586, 21551172]

約数ペア:

[(1, 21551172), (2, 10775586), (3, 7183724), (4, 5387793), (6, 3591862), (12, 1795931), (17, 1267716), (34, 633858), (51, 422572), (68, 316929), (89, 242148), (102, 211286), (178, 121074), (204, 105643), (267, 80716), (356, 60537), (534, 40358), (1068, 20179), (1187, 18156), (1513, 14244), (2374, 9078), (3026, 7122), (3561, 6052), (4539, 4748)]