21516592

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1081

約数の個数: 40

約数和(自身を含む): 44282880

約数和(自身を除く): 22766288

約数列:

[1, 2, 4, 8, 16, 23, 46, 59, 92, 118, 184, 236, 368, 472, 944, 991, 1357, 1982, 2714, 3964, 5428, 7928, 10856, 15856, 21712, 22793, 45586, 58469, 91172, 116938, 182344, 233876, 364688, 467752, 935504, 1344787, 2689574, 5379148, 10758296, 21516592]

約数ペア:

[(1, 21516592), (2, 10758296), (4, 5379148), (8, 2689574), (16, 1344787), (23, 935504), (46, 467752), (59, 364688), (92, 233876), (118, 182344), (184, 116938), (236, 91172), (368, 58469), (472, 45586), (944, 22793), (991, 21712), (1357, 15856), (1982, 10856), (2714, 7928), (3964, 5428)]