21066230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1493}}^1$

素因数の和:1600

約数の個数: 32

約数和(自身を含む): 40660704

約数和(自身を除く): 19594474

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 415, 830, 1411, 1493, 2822, 2986, 7055, 7465, 14110, 14930, 25381, 50762, 123919, 126905, 247838, 253810, 619595, 1239190, 2106623, 4213246, 10533115, 21066230]

約数ペア:

[(1, 21066230), (2, 10533115), (5, 4213246), (10, 2106623), (17, 1239190), (34, 619595), (83, 253810), (85, 247838), (166, 126905), (170, 123919), (415, 50762), (830, 25381), (1411, 14930), (1493, 14110), (2822, 7465), (2986, 7055)]