21928816

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15061}}^1$

素因数の和:15089

約数の個数: 40

約数和(自身を含む): 52295264

約数和(自身を除く): 30366448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 15061, 30122, 60244, 105427, 120488, 195793, 210854, 240976, 391586, 421708, 783172, 843416, 1370551, 1566344, 1686832, 2741102, 3132688, 5482204, 10964408, 21928816]

約数ペア:

[(1, 21928816), (2, 10964408), (4, 5482204), (7, 3132688), (8, 2741102), (13, 1686832), (14, 1566344), (16, 1370551), (26, 843416), (28, 783172), (52, 421708), (56, 391586), (91, 240976), (104, 210854), (112, 195793), (182, 120488), (208, 105427), (364, 60244), (728, 30122), (1456, 15061)]