21902870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2399}}^1$

素因数の和:2500

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 21642730

約数列:

[1, 2, 5, 10, 11, 22, 55, 83, 110, 166, 415, 830, 913, 1826, 2399, 4565, 4798, 9130, 11995, 23990, 26389, 52778, 131945, 199117, 263890, 398234, 995585, 1991170, 2190287, 4380574, 10951435, 21902870]

約数ペア:

[(1, 21902870), (2, 10951435), (5, 4380574), (10, 2190287), (11, 1991170), (22, 995585), (55, 398234), (83, 263890), (110, 199117), (166, 131945), (415, 52778), (830, 26389), (913, 23990), (1826, 11995), (2399, 9130), (4565, 4798)]