21213648

素因数分解:

$2^4\times 3^2\times {\mathrm{179}}^1\times {\mathrm{823}}^1$

素因数の和:1016

約数の個数: 60

約数和(自身を含む): 59772960

約数和(自身を除く): 38559312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 179, 358, 537, 716, 823, 1074, 1432, 1611, 1646, 2148, 2469, 2864, 3222, 3292, 4296, 4938, 6444, 6584, 7407, 8592, 9876, 12888, 13168, 14814, 19752, 25776, 29628, 39504, 59256, 118512, 147317, 294634, 441951, 589268, 883902, 1178536, 1325853, 1767804, 2357072, 2651706, 3535608, 5303412, 7071216, 10606824, 21213648]

約数ペア:

[(1, 21213648), (2, 10606824), (3, 7071216), (4, 5303412), (6, 3535608), (8, 2651706), (9, 2357072), (12, 1767804), (16, 1325853), (18, 1178536), (24, 883902), (36, 589268), (48, 441951), (72, 294634), (144, 147317), (179, 118512), (358, 59256), (537, 39504), (716, 29628), (823, 25776), (1074, 19752), (1432, 14814), (1611, 13168), (1646, 12888), (2148, 9876), (2469, 8592), (2864, 7407), (3222, 6584), (3292, 6444), (4296, 4938)]