21231386

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{1487}}^1$

素因数の和:1570

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 14391334

約数列:

[1, 2, 11, 22, 59, 118, 121, 242, 649, 1298, 1487, 2974, 7139, 14278, 16357, 32714, 87733, 175466, 179927, 359854, 965063, 1930126, 10615693, 21231386]

約数ペア:

[(1, 21231386), (2, 10615693), (11, 1930126), (22, 965063), (59, 359854), (118, 179927), (121, 175466), (242, 87733), (649, 32714), (1298, 16357), (1487, 14278), (2974, 7139)]