21964162

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 37384704

約数和(自身を除く): 15420542

約数列:

[1, 2, 11, 22, 37, 74, 121, 223, 242, 407, 446, 814, 1331, 2453, 2662, 4477, 4906, 8251, 8954, 16502, 26983, 49247, 53966, 90761, 98494, 181522, 296813, 593626, 998371, 1996742, 10982081, 21964162]

約数ペア:

[(1, 21964162), (2, 10982081), (11, 1996742), (22, 998371), (37, 593626), (74, 296813), (121, 181522), (223, 98494), (242, 90761), (407, 53966), (446, 49247), (814, 26983), (1331, 16502), (2453, 8954), (2662, 8251), (4477, 4906)]