21067284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14753}}^1$

素因数の和:14784

約数の個数: 48

約数和(自身を含む): 59488128

約数和(自身を除く): 38420844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 14753, 29506, 44259, 59012, 88518, 103271, 177036, 206542, 250801, 309813, 413084, 501602, 619626, 752403, 1003204, 1239252, 1504806, 1755607, 3009612, 3511214, 5266821, 7022428, 10533642, 21067284]

約数ペア:

[(1, 21067284), (2, 10533642), (3, 7022428), (4, 5266821), (6, 3511214), (7, 3009612), (12, 1755607), (14, 1504806), (17, 1239252), (21, 1003204), (28, 752403), (34, 619626), (42, 501602), (51, 413084), (68, 309813), (84, 250801), (102, 206542), (119, 177036), (204, 103271), (238, 88518), (357, 59012), (476, 44259), (714, 29506), (1428, 14753)]