21711222

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 54302976

約数和(自身を除く): 32591754

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 41, 62, 73, 78, 82, 93, 117, 123, 146, 186, 219, 234, 246, 279, 369, 403, 438, 533, 558, 657, 738, 806, 949, 1066, 1209, 1271, 1314, 1599, 1898, 2263, 2418, 2542, 2847, 2993, 3198, 3627, 3813, 4526, 4797, 5694, 5986, 6789, 7254, 7626, 8541, 8979, 9594, 11439, 13578, 16523, 17082, 17958, 20367, 22878, 26937, 29419, 33046, 38909, 40734, 49569, 53874, 58838, 77818, 88257, 92783, 99138, 116727, 148707, 176514, 185566, 233454, 264771, 278349, 297414, 350181, 529542, 556698, 700362, 835047, 1206179, 1670094, 2412358, 3618537, 7237074, 10855611, 21711222]

約数ペア:

[(1, 21711222), (2, 10855611), (3, 7237074), (6, 3618537), (9, 2412358), (13, 1670094), (18, 1206179), (26, 835047), (31, 700362), (39, 556698), (41, 529542), (62, 350181), (73, 297414), (78, 278349), (82, 264771), (93, 233454), (117, 185566), (123, 176514), (146, 148707), (186, 116727), (219, 99138), (234, 92783), (246, 88257), (279, 77818), (369, 58838), (403, 53874), (438, 49569), (533, 40734), (558, 38909), (657, 33046), (738, 29419), (806, 26937), (949, 22878), (1066, 20367), (1209, 17958), (1271, 17082), (1314, 16523), (1599, 13578), (1898, 11439), (2263, 9594), (2418, 8979), (2542, 8541), (2847, 7626), (2993, 7254), (3198, 6789), (3627, 5986), (3813, 5694), (4526, 4797)]