21531552

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{179}}^2$

素因数の和:378

約数の個数: 72

約数和(自身を含む): 64957536

約数和(自身を除く): 43425984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 179, 224, 336, 358, 537, 672, 716, 1074, 1253, 1432, 2148, 2506, 2864, 3759, 4296, 5012, 5728, 7518, 8592, 10024, 15036, 17184, 20048, 30072, 32041, 40096, 60144, 64082, 96123, 120288, 128164, 192246, 224287, 256328, 384492, 448574, 512656, 672861, 768984, 897148, 1025312, 1345722, 1537968, 1794296, 2691444, 3075936, 3588592, 5382888, 7177184, 10765776, 21531552]

約数ペア:

[(1, 21531552), (2, 10765776), (3, 7177184), (4, 5382888), (6, 3588592), (7, 3075936), (8, 2691444), (12, 1794296), (14, 1537968), (16, 1345722), (21, 1025312), (24, 897148), (28, 768984), (32, 672861), (42, 512656), (48, 448574), (56, 384492), (84, 256328), (96, 224287), (112, 192246), (168, 128164), (179, 120288), (224, 96123), (336, 64082), (358, 60144), (537, 40096), (672, 32041), (716, 30072), (1074, 20048), (1253, 17184), (1432, 15036), (2148, 10024), (2506, 8592), (2864, 7518), (3759, 5728), (4296, 5012)]