21864176

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2593}}^1$

素因数の和:2649

約数の個数: 40

約数和(自身を含む): 46318464

約数和(自身を除く): 24454288

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2593, 4216, 5186, 8432, 10372, 20744, 41488, 44081, 80383, 88162, 160766, 176324, 321532, 352648, 643064, 705296, 1286128, 1366511, 2733022, 5466044, 10932088, 21864176]

約数ペア:

[(1, 21864176), (2, 10932088), (4, 5466044), (8, 2733022), (16, 1366511), (17, 1286128), (31, 705296), (34, 643064), (62, 352648), (68, 321532), (124, 176324), (136, 160766), (248, 88162), (272, 80383), (496, 44081), (527, 41488), (1054, 20744), (2108, 10372), (2593, 8432), (4216, 5186)]