21196648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3049}}^1$

素因数の和:3145

約数の個数: 32

約数和(自身を含む): 43920000

約数和(自身を除く): 22723352

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 316, 632, 869, 1738, 3049, 3476, 6098, 6952, 12196, 24392, 33539, 67078, 134156, 240871, 268312, 481742, 963484, 1926968, 2649581, 5299162, 10598324, 21196648]

約数ペア:

[(1, 21196648), (2, 10598324), (4, 5299162), (8, 2649581), (11, 1926968), (22, 963484), (44, 481742), (79, 268312), (88, 240871), (158, 134156), (316, 67078), (632, 33539), (869, 24392), (1738, 12196), (3049, 6952), (3476, 6098)]