21394370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{557}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 40497408

約数和(自身を除く): 19103038

約数列:

[1, 2, 5, 10, 23, 46, 115, 167, 230, 334, 557, 835, 1114, 1670, 2785, 3841, 5570, 7682, 12811, 19205, 25622, 38410, 64055, 93019, 128110, 186038, 465095, 930190, 2139437, 4278874, 10697185, 21394370]

約数ペア:

[(1, 21394370), (2, 10697185), (5, 4278874), (10, 2139437), (23, 930190), (46, 465095), (115, 186038), (167, 128110), (230, 93019), (334, 64055), (557, 38410), (835, 25622), (1114, 19205), (1670, 12811), (2785, 7682), (3841, 5570)]