21660562482

素因数分解:

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

素因数の和:277

約数の個数: 144

約数和(自身を含む): 50047167744

約数和(自身を除く): 28386605262

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 41, 62, 73, 78, 82, 93, 123, 146, 186, 219, 246, 403, 438, 533, 806, 949, 1066, 1209, 1271, 1599, 1681, 1898, 2263, 2418, 2542, 2847, 2993, 3198, 3362, 3813, 4526, 5043, 5329, 5694, 5986, 6789, 7626, 8979, 10086, 10658, 13578, 15987, 16523, 17958, 21853, 29419, 31974, 33046, 38909, 43706, 49569, 52111, 58838, 65559, 69277, 77818, 88257, 92783, 99138, 104222, 116727, 122713, 131118, 138554, 156333, 165199, 176514, 185566, 207831, 218489, 233454, 245426, 278349, 312666, 330398, 368139, 415662, 436978, 495597, 556698, 655467, 677443, 736278, 991194, 1206179, 1310934, 1354886, 1595269, 2032329, 2147587, 2412358, 2840357, 3190538, 3618537, 3804103, 4064658, 4295174, 4785807, 5680714, 6442761, 6773159, 7237074, 7608206, 8521071, 8958049, 9571614, 11412309, 12885522, 13546318, 17042142, 17916098, 20319477, 22824618, 26874147, 40638954, 49453339, 53748294, 88051067, 98906678, 116454637, 148360017, 176102134, 232909274, 264153201, 277699519, 296720034, 349363911, 528306402, 555399038, 698727822, 833098557, 1666197114, 3610093747, 7220187494, 10830281241, 21660562482]

約数ペア:

[(1, 21660562482), (2, 10830281241), (3, 7220187494), (6, 3610093747), (13, 1666197114), (26, 833098557), (31, 698727822), (39, 555399038), (41, 528306402), (62, 349363911), (73, 296720034), (78, 277699519), (82, 264153201), (93, 232909274), (123, 176102134), (146, 148360017), (186, 116454637), (219, 98906678), (246, 88051067), (403, 53748294), (438, 49453339), (533, 40638954), (806, 26874147), (949, 22824618), (1066, 20319477), (1209, 17916098), (1271, 17042142), (1599, 13546318), (1681, 12885522), (1898, 11412309), (2263, 9571614), (2418, 8958049), (2542, 8521071), (2847, 7608206), (2993, 7237074), (3198, 6773159), (3362, 6442761), (3813, 5680714), (4526, 4785807), (5043, 4295174), (5329, 4064658), (5694, 3804103), (5986, 3618537), (6789, 3190538), (7626, 2840357), (8979, 2412358), (10086, 2147587), (10658, 2032329), (13578, 1595269), (15987, 1354886), (16523, 1310934), (17958, 1206179), (21853, 991194), (29419, 736278), (31974, 677443), (33046, 655467), (38909, 556698), (43706, 495597), (49569, 436978), (52111, 415662), (58838, 368139), (65559, 330398), (69277, 312666), (77818, 278349), (88257, 245426), (92783, 233454), (99138, 218489), (104222, 207831), (116727, 185566), (122713, 176514), (131118, 165199), (138554, 156333)]