21993832

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{467}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 48915360

約数和(自身を除く): 26921528

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 467, 812, 841, 934, 1624, 1682, 1868, 3269, 3364, 3736, 5887, 6538, 6728, 11774, 13076, 13543, 23548, 26152, 27086, 47096, 54172, 94801, 108344, 189602, 379204, 392747, 758408, 785494, 1570988, 2749229, 3141976, 5498458, 10996916, 21993832]

約数ペア:

[(1, 21993832), (2, 10996916), (4, 5498458), (7, 3141976), (8, 2749229), (14, 1570988), (28, 785494), (29, 758408), (56, 392747), (58, 379204), (116, 189602), (203, 108344), (232, 94801), (406, 54172), (467, 47096), (812, 27086), (841, 26152), (934, 23548), (1624, 13543), (1682, 13076), (1868, 11774), (3269, 6728), (3364, 6538), (3736, 5887)]