21898116

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:585

約数の個数: 72

約数和(自身を含む): 58968000

約数和(自身を除く): 37069884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 53, 69, 92, 106, 138, 159, 207, 212, 276, 318, 414, 477, 499, 636, 828, 954, 998, 1219, 1497, 1908, 1996, 2438, 2994, 3657, 4491, 4876, 5988, 7314, 8982, 10971, 11477, 14628, 17964, 21942, 22954, 26447, 34431, 43884, 45908, 52894, 68862, 79341, 103293, 105788, 137724, 158682, 206586, 238023, 317364, 413172, 476046, 608281, 952092, 1216562, 1824843, 2433124, 3649686, 5474529, 7299372, 10949058, 21898116]

約数ペア:

[(1, 21898116), (2, 10949058), (3, 7299372), (4, 5474529), (6, 3649686), (9, 2433124), (12, 1824843), (18, 1216562), (23, 952092), (36, 608281), (46, 476046), (53, 413172), (69, 317364), (92, 238023), (106, 206586), (138, 158682), (159, 137724), (207, 105788), (212, 103293), (276, 79341), (318, 68862), (414, 52894), (477, 45908), (499, 43884), (636, 34431), (828, 26447), (954, 22954), (998, 21942), (1219, 17964), (1497, 14628), (1908, 11477), (1996, 10971), (2438, 8982), (2994, 7314), (3657, 5988), (4491, 4876)]