21740024

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1129}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 42714000

約数和(自身を除く): 20973976

約数列:

[1, 2, 4, 8, 29, 58, 83, 116, 166, 232, 332, 664, 1129, 2258, 2407, 4516, 4814, 9032, 9628, 19256, 32741, 65482, 93707, 130964, 187414, 261928, 374828, 749656, 2717503, 5435006, 10870012, 21740024]

約数ペア:

[(1, 21740024), (2, 10870012), (4, 5435006), (8, 2717503), (29, 749656), (58, 374828), (83, 261928), (116, 187414), (166, 130964), (232, 93707), (332, 65482), (664, 32741), (1129, 19256), (2258, 9628), (2407, 9032), (4516, 4814)]