21865500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 71207136

約数和(自身を除く): 49341636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 43, 45, 50, 60, 75, 86, 90, 100, 113, 125, 129, 150, 172, 180, 215, 225, 226, 250, 258, 300, 339, 375, 387, 430, 450, 452, 500, 516, 565, 645, 678, 750, 774, 860, 900, 1017, 1075, 1125, 1130, 1290, 1356, 1500, 1548, 1695, 1935, 2034, 2150, 2250, 2260, 2580, 2825, 3225, 3390, 3870, 4068, 4300, 4500, 4859, 5085, 5375, 5650, 6450, 6780, 7740, 8475, 9675, 9718, 10170, 10750, 11300, 12900, 14125, 14577, 16125, 16950, 19350, 19436, 20340, 21500, 24295, 25425, 28250, 29154, 32250, 33900, 38700, 42375, 43731, 48375, 48590, 50850, 56500, 58308, 64500, 72885, 84750, 87462, 96750, 97180, 101700, 121475, 127125, 145770, 169500, 174924, 193500, 218655, 242950, 254250, 291540, 364425, 437310, 485900, 508500, 607375, 728850, 874620, 1093275, 1214750, 1457700, 1822125, 2186550, 2429500, 3644250, 4373100, 5466375, 7288500, 10932750, 21865500]

約数ペア:

[(1, 21865500), (2, 10932750), (3, 7288500), (4, 5466375), (5, 4373100), (6, 3644250), (9, 2429500), (10, 2186550), (12, 1822125), (15, 1457700), (18, 1214750), (20, 1093275), (25, 874620), (30, 728850), (36, 607375), (43, 508500), (45, 485900), (50, 437310), (60, 364425), (75, 291540), (86, 254250), (90, 242950), (100, 218655), (113, 193500), (125, 174924), (129, 169500), (150, 145770), (172, 127125), (180, 121475), (215, 101700), (225, 97180), (226, 96750), (250, 87462), (258, 84750), (300, 72885), (339, 64500), (375, 58308), (387, 56500), (430, 50850), (450, 48590), (452, 48375), (500, 43731), (516, 42375), (565, 38700), (645, 33900), (678, 32250), (750, 29154), (774, 28250), (860, 25425), (900, 24295), (1017, 21500), (1075, 20340), (1125, 19436), (1130, 19350), (1290, 16950), (1356, 16125), (1500, 14577), (1548, 14125), (1695, 12900), (1935, 11300), (2034, 10750), (2150, 10170), (2250, 9718), (2260, 9675), (2580, 8475), (2825, 7740), (3225, 6780), (3390, 6450), (3870, 5650), (4068, 5375), (4300, 5085), (4500, 4859)]