21121312

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{34739}}^1$

素因数の和:34768

約数の個数: 24

約数和(自身を含む): 43772400

約数和(自身を除く): 22651088

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 34739, 69478, 138956, 277912, 555824, 660041, 1111648, 1320082, 2640164, 5280328, 10560656, 21121312]

約数ペア:

[(1, 21121312), (2, 10560656), (4, 5280328), (8, 2640164), (16, 1320082), (19, 1111648), (32, 660041), (38, 555824), (76, 277912), (152, 138956), (304, 69478), (608, 34739)]