21266520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16111}}^1$

素因数の和:16136

約数の個数: 64

約数和(自身を含む): 69603840

約数和(自身を除く): 48337320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16111, 32222, 48333, 64444, 80555, 96666, 128888, 161110, 177221, 193332, 241665, 322220, 354442, 386664, 483330, 531663, 644440, 708884, 886105, 966660, 1063326, 1417768, 1772210, 1933320, 2126652, 2658315, 3544420, 4253304, 5316630, 7088840, 10633260, 21266520]

約数ペア:

[(1, 21266520), (2, 10633260), (3, 7088840), (4, 5316630), (5, 4253304), (6, 3544420), (8, 2658315), (10, 2126652), (11, 1933320), (12, 1772210), (15, 1417768), (20, 1063326), (22, 966660), (24, 886105), (30, 708884), (33, 644440), (40, 531663), (44, 483330), (55, 386664), (60, 354442), (66, 322220), (88, 241665), (110, 193332), (120, 177221), (132, 161110), (165, 128888), (220, 96666), (264, 80555), (330, 64444), (440, 48333), (660, 32222), (1320, 16111)]