21008944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1511}}^1$

素因数の和:1609

約数の個数: 40

約数和(自身を含む): 44997120

約数和(自身を除く): 23988176

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1511, 1738, 3022, 3476, 6044, 6952, 12088, 13904, 16621, 24176, 33242, 66484, 119369, 132968, 238738, 265936, 477476, 954952, 1313059, 1909904, 2626118, 5252236, 10504472, 21008944]

約数ペア:

[(1, 21008944), (2, 10504472), (4, 5252236), (8, 2626118), (11, 1909904), (16, 1313059), (22, 954952), (44, 477476), (79, 265936), (88, 238738), (158, 132968), (176, 119369), (316, 66484), (632, 33242), (869, 24176), (1264, 16621), (1511, 13904), (1738, 12088), (3022, 6952), (3476, 6044)]