21226064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1069}}^1$

素因数の和:1167

約数の個数: 40

約数和(自身を含む): 44182440

約数和(自身を除く): 22956376

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 146, 272, 292, 584, 1069, 1168, 1241, 2138, 2482, 4276, 4964, 8552, 9928, 17104, 18173, 19856, 36346, 72692, 78037, 145384, 156074, 290768, 312148, 624296, 1248592, 1326629, 2653258, 5306516, 10613032, 21226064]

約数ペア:

[(1, 21226064), (2, 10613032), (4, 5306516), (8, 2653258), (16, 1326629), (17, 1248592), (34, 624296), (68, 312148), (73, 290768), (136, 156074), (146, 145384), (272, 78037), (292, 72692), (584, 36346), (1069, 19856), (1168, 18173), (1241, 17104), (2138, 9928), (2482, 8552), (4276, 4964)]