21849388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13421}}^1$

素因数の和:13473

約数の個数: 24

約数和(自身を含む): 42843024

約数和(自身を除く): 20993636

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13421, 26842, 53684, 147631, 295262, 496577, 590524, 993154, 1986308, 5462347, 10924694, 21849388]

約数ペア:

[(1, 21849388), (2, 10924694), (4, 5462347), (11, 1986308), (22, 993154), (37, 590524), (44, 496577), (74, 295262), (148, 147631), (407, 53684), (814, 26842), (1628, 13421)]