21891056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4289}}^1$

素因数の和:4337

約数の個数: 40

約数和(自身を含む): 47876400

約数和(自身を除く): 25985344

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 1276, 2552, 4289, 5104, 8578, 17156, 34312, 47179, 68624, 94358, 124381, 188716, 248762, 377432, 497524, 754864, 995048, 1368191, 1990096, 2736382, 5472764, 10945528, 21891056]

約数ペア:

[(1, 21891056), (2, 10945528), (4, 5472764), (8, 2736382), (11, 1990096), (16, 1368191), (22, 995048), (29, 754864), (44, 497524), (58, 377432), (88, 248762), (116, 188716), (176, 124381), (232, 94358), (319, 68624), (464, 47179), (638, 34312), (1276, 17156), (2552, 8578), (4289, 5104)]