21180496690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{825107}}^1$

素因数の和:825282

約数の個数: 32

約数和(自身を含む): 40634918784

約数和(自身を除く): 19454422094

約数列:

[1, 2, 5, 10, 17, 34, 85, 151, 170, 302, 755, 1510, 2567, 5134, 12835, 25670, 825107, 1650214, 4125535, 8251070, 14026819, 28053638, 70134095, 124591157, 140268190, 249182314, 622955785, 1245911570, 2118049669, 4236099338, 10590248345, 21180496690]

約数ペア:

[(1, 21180496690), (2, 10590248345), (5, 4236099338), (10, 2118049669), (17, 1245911570), (34, 622955785), (85, 249182314), (151, 140268190), (170, 124591157), (302, 70134095), (755, 28053638), (1510, 14026819), (2567, 8251070), (5134, 4125535), (12835, 1650214), (25670, 825107)]