21621194

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 16463926

約数列:

[1, 2, 7, 14, 79, 113, 158, 173, 226, 346, 553, 791, 1106, 1211, 1582, 2422, 8927, 13667, 17854, 19549, 27334, 39098, 62489, 95669, 124978, 136843, 191338, 273686, 1544371, 3088742, 10810597, 21621194]

約数ペア:

[(1, 21621194), (2, 10810597), (7, 3088742), (14, 1544371), (79, 273686), (113, 191338), (158, 136843), (173, 124978), (226, 95669), (346, 62489), (553, 39098), (791, 27334), (1106, 19549), (1211, 17854), (1582, 13667), (2422, 8927)]