21576320

素因数分解:

$2^7\times 5^1\times {\mathrm{33713}}^1$

素因数の和:33732

約数の個数: 32

約数和(自身を含む): 51582420

約数和(自身を除く): 30006100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 33713, 67426, 134852, 168565, 269704, 337130, 539408, 674260, 1078816, 1348520, 2157632, 2697040, 4315264, 5394080, 10788160, 21576320]

約数ペア:

[(1, 21576320), (2, 10788160), (4, 5394080), (5, 4315264), (8, 2697040), (10, 2157632), (16, 1348520), (20, 1078816), (32, 674260), (40, 539408), (64, 337130), (80, 269704), (128, 168565), (160, 134852), (320, 67426), (640, 33713)]