21455322

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1249}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 49200000

約数和(自身を除く): 27744678

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 409, 818, 1227, 1249, 2454, 2498, 2863, 3747, 5726, 7494, 8589, 8743, 17178, 17486, 26229, 52458, 510841, 1021682, 1532523, 3065046, 3575887, 7151774, 10727661, 21455322]

約数ペア:

[(1, 21455322), (2, 10727661), (3, 7151774), (6, 3575887), (7, 3065046), (14, 1532523), (21, 1021682), (42, 510841), (409, 52458), (818, 26229), (1227, 17486), (1249, 17178), (2454, 8743), (2498, 8589), (2863, 7494), (3747, 5726)]