21830128

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 44559648

約数和(自身を除く): 22729520

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 137, 184, 274, 368, 433, 548, 866, 1096, 1732, 2192, 3151, 3464, 6302, 6928, 9959, 12604, 19918, 25208, 39836, 50416, 59321, 79672, 118642, 159344, 237284, 474568, 949136, 1364383, 2728766, 5457532, 10915064, 21830128]

約数ペア:

[(1, 21830128), (2, 10915064), (4, 5457532), (8, 2728766), (16, 1364383), (23, 949136), (46, 474568), (92, 237284), (137, 159344), (184, 118642), (274, 79672), (368, 59321), (433, 50416), (548, 39836), (866, 25208), (1096, 19918), (1732, 12604), (2192, 9959), (3151, 6928), (3464, 6302)]