21536560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9283}}^1$

素因数の和:9325

約数の個数: 40

約数和(自身を含む): 51804720

約数和(自身を除く): 30268160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 9283, 18566, 37132, 46415, 74264, 92830, 148528, 185660, 269207, 371320, 538414, 742640, 1076828, 1346035, 2153656, 2692070, 4307312, 5384140, 10768280, 21536560]

約数ペア:

[(1, 21536560), (2, 10768280), (4, 5384140), (5, 4307312), (8, 2692070), (10, 2153656), (16, 1346035), (20, 1076828), (29, 742640), (40, 538414), (58, 371320), (80, 269207), (116, 185660), (145, 148528), (232, 92830), (290, 74264), (464, 46415), (580, 37132), (1160, 18566), (2320, 9283)]