21136805820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{334549}}^1$

素因数の和:334586

約数の個数: 144

約数和(自身を含む): 71604405600

約数和(自身を除く): 50467599780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1404, 1620, 1755, 2106, 2340, 2430, 3159, 3510, 4212, 4860, 5265, 6318, 7020, 10530, 12636, 15795, 21060, 31590, 63180, 334549, 669098, 1003647, 1338196, 1672745, 2007294, 3010941, 3345490, 4014588, 4349137, 5018235, 6021882, 6690980, 8698274, 9032823, 10036470, 12043764, 13047411, 15054705, 17396548, 18065646, 20072940, 21745685, 26094822, 27098469, 30109410, 36131292, 39142233, 43491370, 45164115, 52189644, 54196938, 60218820, 65237055, 78284466, 81295407, 86982740, 90328230, 108393876, 117426699, 130474110, 135492345, 156568932, 162590814, 180656460, 195711165, 234853398, 260948220, 270984690, 325181628, 352280097, 391422330, 406477035, 469706796, 541969380, 587133495, 704560194, 782844660, 812954070, 1056840291, 1174266990, 1409120388, 1625908140, 1761400485, 2113680582, 2348533980, 3522800970, 4227361164, 5284201455, 7045601940, 10568402910, 21136805820]

約数ペア:

[(1, 21136805820), (2, 10568402910), (3, 7045601940), (4, 5284201455), (5, 4227361164), (6, 3522800970), (9, 2348533980), (10, 2113680582), (12, 1761400485), (13, 1625908140), (15, 1409120388), (18, 1174266990), (20, 1056840291), (26, 812954070), (27, 782844660), (30, 704560194), (36, 587133495), (39, 541969380), (45, 469706796), (52, 406477035), (54, 391422330), (60, 352280097), (65, 325181628), (78, 270984690), (81, 260948220), (90, 234853398), (108, 195711165), (117, 180656460), (130, 162590814), (135, 156568932), (156, 135492345), (162, 130474110), (180, 117426699), (195, 108393876), (234, 90328230), (243, 86982740), (260, 81295407), (270, 78284466), (324, 65237055), (351, 60218820), (390, 54196938), (405, 52189644), (468, 45164115), (486, 43491370), (540, 39142233), (585, 36131292), (702, 30109410), (780, 27098469), (810, 26094822), (972, 21745685), (1053, 20072940), (1170, 18065646), (1215, 17396548), (1404, 15054705), (1620, 13047411), (1755, 12043764), (2106, 10036470), (2340, 9032823), (2430, 8698274), (3159, 6690980), (3510, 6021882), (4212, 5018235), (4860, 4349137), (5265, 4014588), (6318, 3345490), (7020, 3010941), (10530, 2007294), (12636, 1672745), (15795, 1338196), (21060, 1003647), (31590, 669098), (63180, 334549)]