21562884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2145

約数の個数: 72

約数和(自身を含む): 63842688

約数和(自身を除く): 42279804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 2087, 2583, 3444, 4174, 5166, 6261, 8348, 10332, 12522, 14609, 18783, 25044, 29218, 37566, 43827, 58436, 75132, 85567, 87654, 131481, 171134, 175308, 256701, 262962, 342268, 513402, 525924, 598969, 770103, 1026804, 1197938, 1540206, 1796907, 2395876, 3080412, 3593814, 5390721, 7187628, 10781442, 21562884]

約数ペア:

[(1, 21562884), (2, 10781442), (3, 7187628), (4, 5390721), (6, 3593814), (7, 3080412), (9, 2395876), (12, 1796907), (14, 1540206), (18, 1197938), (21, 1026804), (28, 770103), (36, 598969), (41, 525924), (42, 513402), (63, 342268), (82, 262962), (84, 256701), (123, 175308), (126, 171134), (164, 131481), (246, 87654), (252, 85567), (287, 75132), (369, 58436), (492, 43827), (574, 37566), (738, 29218), (861, 25044), (1148, 18783), (1476, 14609), (1722, 12522), (2087, 10332), (2583, 8348), (3444, 6261), (4174, 5166)]