21563304

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3469}}^1$

素因数の和:3522

約数の個数: 64

約数和(自身を含む): 63292800

約数和(自身を除く): 41729496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3469, 6216, 6938, 10407, 13876, 20814, 24283, 27752, 41628, 48566, 72849, 83256, 97132, 128353, 145698, 194264, 256706, 291396, 385059, 513412, 582792, 770118, 898471, 1026824, 1540236, 1796942, 2695413, 3080472, 3593884, 5390826, 7187768, 10781652, 21563304]

約数ペア:

[(1, 21563304), (2, 10781652), (3, 7187768), (4, 5390826), (6, 3593884), (7, 3080472), (8, 2695413), (12, 1796942), (14, 1540236), (21, 1026824), (24, 898471), (28, 770118), (37, 582792), (42, 513412), (56, 385059), (74, 291396), (84, 256706), (111, 194264), (148, 145698), (168, 128353), (222, 97132), (259, 83256), (296, 72849), (444, 48566), (518, 41628), (777, 27752), (888, 24283), (1036, 20814), (1554, 13876), (2072, 10407), (3108, 6938), (3469, 6216)]