21902992

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1207

約数の個数: 40

約数和(自身を含む): 45157824

約数和(自身を除く): 23254832

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 368, 424, 848, 1123, 1219, 2246, 2438, 4492, 4876, 8984, 9752, 17968, 19504, 25829, 51658, 59519, 103316, 119038, 206632, 238076, 413264, 476152, 952304, 1368937, 2737874, 5475748, 10951496, 21902992]

約数ペア:

[(1, 21902992), (2, 10951496), (4, 5475748), (8, 2737874), (16, 1368937), (23, 952304), (46, 476152), (53, 413264), (92, 238076), (106, 206632), (184, 119038), (212, 103316), (368, 59519), (424, 51658), (848, 25829), (1123, 19504), (1219, 17968), (2246, 9752), (2438, 8984), (4492, 4876)]