21620952

素因数分解:

$2^3\times 3^3\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 38859048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 199, 216, 398, 503, 597, 796, 1006, 1194, 1509, 1592, 1791, 2012, 2388, 3018, 3582, 4024, 4527, 4776, 5373, 6036, 7164, 9054, 10746, 12072, 13581, 14328, 18108, 21492, 27162, 36216, 42984, 54324, 100097, 108648, 200194, 300291, 400388, 600582, 800776, 900873, 1201164, 1801746, 2402328, 2702619, 3603492, 5405238, 7206984, 10810476, 21620952]

約数ペア:

[(1, 21620952), (2, 10810476), (3, 7206984), (4, 5405238), (6, 3603492), (8, 2702619), (9, 2402328), (12, 1801746), (18, 1201164), (24, 900873), (27, 800776), (36, 600582), (54, 400388), (72, 300291), (108, 200194), (199, 108648), (216, 100097), (398, 54324), (503, 42984), (597, 36216), (796, 27162), (1006, 21492), (1194, 18108), (1509, 14328), (1592, 13581), (1791, 12072), (2012, 10746), (2388, 9054), (3018, 7164), (3582, 6036), (4024, 5373), (4527, 4776)]