21494374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 37138176

約数和(自身を除く): 15643802

約数列:

[1, 2, 11, 22, 23, 46, 107, 214, 253, 397, 506, 794, 1177, 2354, 2461, 4367, 4922, 8734, 9131, 18262, 27071, 42479, 54142, 84958, 100441, 200882, 467269, 934538, 977017, 1954034, 10747187, 21494374]

約数ペア:

[(1, 21494374), (2, 10747187), (11, 1954034), (22, 977017), (23, 934538), (46, 467269), (107, 200882), (214, 100441), (253, 84958), (397, 54142), (506, 42479), (794, 27071), (1177, 18262), (2354, 9131), (2461, 8734), (4367, 4922)]