21540258

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{70393}}^1$

素因数の和:70418

約数の個数: 24

約数和(自身を含む): 49416588

約数和(自身を除く): 27876330

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 70393, 140786, 211179, 422358, 633537, 1196681, 1267074, 2393362, 3590043, 7180086, 10770129, 21540258]

約数ペア:

[(1, 21540258), (2, 10770129), (3, 7180086), (6, 3590043), (9, 2393362), (17, 1267074), (18, 1196681), (34, 633537), (51, 422358), (102, 211179), (153, 140786), (306, 70393)]