21177992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240659}}^1$

素因数の和:240676

約数の個数: 16

約数和(自身を含む): 43318800

約数和(自身を除く): 22140808

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240659, 481318, 962636, 1925272, 2647249, 5294498, 10588996, 21177992]

約数ペア:

[(1, 21177992), (2, 10588996), (4, 5294498), (8, 2647249), (11, 1925272), (22, 962636), (44, 481318), (88, 240659)]