21712236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 63598080

約数和(自身を除く): 41885844

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 59, 78, 84, 91, 118, 156, 177, 182, 236, 273, 337, 354, 364, 413, 546, 674, 708, 767, 826, 1011, 1092, 1239, 1348, 1534, 1652, 2022, 2301, 2359, 2478, 3068, 4044, 4381, 4602, 4718, 4956, 5369, 7077, 8762, 9204, 9436, 10738, 13143, 14154, 16107, 17524, 19883, 21476, 26286, 28308, 30667, 32214, 39766, 52572, 59649, 61334, 64428, 79532, 92001, 119298, 122668, 139181, 184002, 238596, 258479, 278362, 368004, 417543, 516958, 556724, 775437, 835086, 1033916, 1550874, 1670172, 1809353, 3101748, 3618706, 5428059, 7237412, 10856118, 21712236]

約数ペア:

[(1, 21712236), (2, 10856118), (3, 7237412), (4, 5428059), (6, 3618706), (7, 3101748), (12, 1809353), (13, 1670172), (14, 1550874), (21, 1033916), (26, 835086), (28, 775437), (39, 556724), (42, 516958), (52, 417543), (59, 368004), (78, 278362), (84, 258479), (91, 238596), (118, 184002), (156, 139181), (177, 122668), (182, 119298), (236, 92001), (273, 79532), (337, 64428), (354, 61334), (364, 59649), (413, 52572), (546, 39766), (674, 32214), (708, 30667), (767, 28308), (826, 26286), (1011, 21476), (1092, 19883), (1239, 17524), (1348, 16107), (1534, 14154), (1652, 13143), (2022, 10738), (2301, 9436), (2359, 9204), (2478, 8762), (3068, 7077), (4044, 5369), (4381, 4956), (4602, 4718)]