21725154

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{971}}^1$

素因数の和:1103

約数の個数: 48

約数和(自身を含む): 51858144

約数和(自身を除く): 30132990

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 113, 198, 226, 339, 678, 971, 1017, 1243, 1942, 2034, 2486, 2913, 3729, 5826, 7458, 8739, 10681, 11187, 17478, 21362, 22374, 32043, 64086, 96129, 109723, 192258, 219446, 329169, 658338, 987507, 1206953, 1975014, 2413906, 3620859, 7241718, 10862577, 21725154]

約数ペア:

[(1, 21725154), (2, 10862577), (3, 7241718), (6, 3620859), (9, 2413906), (11, 1975014), (18, 1206953), (22, 987507), (33, 658338), (66, 329169), (99, 219446), (113, 192258), (198, 109723), (226, 96129), (339, 64086), (678, 32043), (971, 22374), (1017, 21362), (1243, 17478), (1942, 11187), (2034, 10681), (2486, 8739), (2913, 7458), (3729, 5826)]