21998580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:893

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 45739020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 138, 190, 228, 230, 276, 285, 345, 380, 437, 460, 570, 690, 839, 874, 1140, 1311, 1380, 1678, 1748, 2185, 2517, 2622, 3356, 4195, 4370, 5034, 5244, 6555, 8390, 8740, 10068, 12585, 13110, 15941, 16780, 19297, 25170, 26220, 31882, 38594, 47823, 50340, 57891, 63764, 77188, 79705, 95646, 96485, 115782, 159410, 191292, 192970, 231564, 239115, 289455, 318820, 366643, 385940, 478230, 578910, 733286, 956460, 1099929, 1157820, 1466572, 1833215, 2199858, 3666430, 4399716, 5499645, 7332860, 10999290, 21998580]

約数ペア:

[(1, 21998580), (2, 10999290), (3, 7332860), (4, 5499645), (5, 4399716), (6, 3666430), (10, 2199858), (12, 1833215), (15, 1466572), (19, 1157820), (20, 1099929), (23, 956460), (30, 733286), (38, 578910), (46, 478230), (57, 385940), (60, 366643), (69, 318820), (76, 289455), (92, 239115), (95, 231564), (114, 192970), (115, 191292), (138, 159410), (190, 115782), (228, 96485), (230, 95646), (276, 79705), (285, 77188), (345, 63764), (380, 57891), (437, 50340), (460, 47823), (570, 38594), (690, 31882), (839, 26220), (874, 25170), (1140, 19297), (1311, 16780), (1380, 15941), (1678, 13110), (1748, 12585), (2185, 10068), (2517, 8740), (2622, 8390), (3356, 6555), (4195, 5244), (4370, 5034)]