21935320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49853}}^1$

素因数の和:49875

約数の個数: 32

約数和(自身を含む): 53842320

約数和(自身を除く): 31907000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49853, 99706, 199412, 249265, 398824, 498530, 548383, 997060, 1096766, 1994120, 2193532, 2741915, 4387064, 5483830, 10967660, 21935320]

約数ペア:

[(1, 21935320), (2, 10967660), (4, 5483830), (5, 4387064), (8, 2741915), (10, 2193532), (11, 1994120), (20, 1096766), (22, 997060), (40, 548383), (44, 498530), (55, 398824), (88, 249265), (110, 199412), (220, 99706), (440, 49853)]