21054492

素因数分解:

$2^2\times 3^5\times {\mathrm{21661}}^1$

素因数の和:21680

約数の個数: 36

約数和(自身を含む): 55194776

約数和(自身を除く): 34140284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21661, 43322, 64983, 86644, 129966, 194949, 259932, 389898, 584847, 779796, 1169694, 1754541, 2339388, 3509082, 5263623, 7018164, 10527246, 21054492]

約数ペア:

[(1, 21054492), (2, 10527246), (3, 7018164), (4, 5263623), (6, 3509082), (9, 2339388), (12, 1754541), (18, 1169694), (27, 779796), (36, 584847), (54, 389898), (81, 259932), (108, 194949), (162, 129966), (243, 86644), (324, 64983), (486, 43322), (972, 21661)]