21365208

素因数分解:

$2^3\times 3^4\times {\mathrm{32971}}^1$

素因数の和:32989

約数の個数: 40

約数和(自身を含む): 59844180

約数和(自身を除く): 38478972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32971, 65942, 98913, 131884, 197826, 263768, 296739, 395652, 593478, 791304, 890217, 1186956, 1780434, 2373912, 2670651, 3560868, 5341302, 7121736, 10682604, 21365208]

約数ペア:

[(1, 21365208), (2, 10682604), (3, 7121736), (4, 5341302), (6, 3560868), (8, 2670651), (9, 2373912), (12, 1780434), (18, 1186956), (24, 890217), (27, 791304), (36, 593478), (54, 395652), (72, 296739), (81, 263768), (108, 197826), (162, 131884), (216, 98913), (324, 65942), (648, 32971)]