21968784

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{61}}^2$

素因数の和:177

約数の個数: 90

約数和(自身を含む): 64031058

約数和(自身を除く): 42062274

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 61, 72, 82, 122, 123, 144, 164, 183, 244, 246, 328, 366, 369, 488, 492, 549, 656, 732, 738, 976, 984, 1098, 1464, 1476, 1968, 2196, 2501, 2928, 2952, 3721, 4392, 5002, 5904, 7442, 7503, 8784, 10004, 11163, 14884, 15006, 20008, 22326, 22509, 29768, 30012, 33489, 40016, 44652, 45018, 59536, 60024, 66978, 89304, 90036, 120048, 133956, 152561, 178608, 180072, 267912, 305122, 360144, 457683, 535824, 610244, 915366, 1220488, 1373049, 1830732, 2440976, 2746098, 3661464, 5492196, 7322928, 10984392, 21968784]

約数ペア:

[(1, 21968784), (2, 10984392), (3, 7322928), (4, 5492196), (6, 3661464), (8, 2746098), (9, 2440976), (12, 1830732), (16, 1373049), (18, 1220488), (24, 915366), (36, 610244), (41, 535824), (48, 457683), (61, 360144), (72, 305122), (82, 267912), (122, 180072), (123, 178608), (144, 152561), (164, 133956), (183, 120048), (244, 90036), (246, 89304), (328, 66978), (366, 60024), (369, 59536), (488, 45018), (492, 44652), (549, 40016), (656, 33489), (732, 30012), (738, 29768), (976, 22509), (984, 22326), (1098, 20008), (1464, 15006), (1476, 14884), (1968, 11163), (2196, 10004), (2501, 8784), (2928, 7503), (2952, 7442), (3721, 5904), (4392, 5002)]