21938608

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:733

約数の個数: 40

約数和(自身を含む): 44434656

約数和(自身を除く): 22496048

約数列:

[1, 2, 4, 8, 16, 41, 53, 82, 106, 164, 212, 328, 424, 631, 656, 848, 1262, 2173, 2524, 4346, 5048, 8692, 10096, 17384, 25871, 33443, 34768, 51742, 66886, 103484, 133772, 206968, 267544, 413936, 535088, 1371163, 2742326, 5484652, 10969304, 21938608]

約数ペア:

[(1, 21938608), (2, 10969304), (4, 5484652), (8, 2742326), (16, 1371163), (41, 535088), (53, 413936), (82, 267544), (106, 206968), (164, 133772), (212, 103484), (328, 66886), (424, 51742), (631, 34768), (656, 33443), (848, 25871), (1262, 17384), (2173, 10096), (2524, 8692), (4346, 5048)]