21273352

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 19783928

約数列:

[1, 2, 4, 8, 53, 106, 131, 212, 262, 383, 424, 524, 766, 1048, 1532, 3064, 6943, 13886, 20299, 27772, 40598, 50173, 55544, 81196, 100346, 162392, 200692, 401384, 2659169, 5318338, 10636676, 21273352]

約数ペア:

[(1, 21273352), (2, 10636676), (4, 5318338), (8, 2659169), (53, 401384), (106, 200692), (131, 162392), (212, 100346), (262, 81196), (383, 55544), (424, 50173), (524, 40598), (766, 27772), (1048, 20299), (1532, 13886), (3064, 6943)]