21485562

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2957}}^1$

素因数の和:3142

約数の個数: 32

約数和(自身を含む): 49410432

約数和(自身を除く): 27924870

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 2957, 3633, 5914, 7266, 8871, 17742, 20699, 41398, 62097, 124194, 511561, 1023122, 1534683, 3069366, 3580927, 7161854, 10742781, 21485562]

約数ペア:

[(1, 21485562), (2, 10742781), (3, 7161854), (6, 3580927), (7, 3069366), (14, 1534683), (21, 1023122), (42, 511561), (173, 124194), (346, 62097), (519, 41398), (1038, 20699), (1211, 17742), (2422, 8871), (2957, 7266), (3633, 5914)]