21696360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1167

約数の個数: 128

約数和(自身を含む): 77690880

約数和(自身を除く): 55994520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1123, 1288, 1380, 1610, 1932, 2246, 2415, 2760, 3220, 3369, 3864, 4492, 4830, 5615, 6440, 6738, 7861, 8984, 9660, 11230, 13476, 15722, 16845, 19320, 22460, 23583, 25829, 26952, 31444, 33690, 39305, 44920, 47166, 51658, 62888, 67380, 77487, 78610, 94332, 103316, 117915, 129145, 134760, 154974, 157220, 180803, 188664, 206632, 235830, 258290, 309948, 314440, 361606, 387435, 471660, 516580, 542409, 619896, 723212, 774870, 904015, 943320, 1033160, 1084818, 1446424, 1549740, 1808030, 2169636, 2712045, 3099480, 3616060, 4339272, 5424090, 7232120, 10848180, 21696360]

約数ペア:

[(1, 21696360), (2, 10848180), (3, 7232120), (4, 5424090), (5, 4339272), (6, 3616060), (7, 3099480), (8, 2712045), (10, 2169636), (12, 1808030), (14, 1549740), (15, 1446424), (20, 1084818), (21, 1033160), (23, 943320), (24, 904015), (28, 774870), (30, 723212), (35, 619896), (40, 542409), (42, 516580), (46, 471660), (56, 387435), (60, 361606), (69, 314440), (70, 309948), (84, 258290), (92, 235830), (105, 206632), (115, 188664), (120, 180803), (138, 157220), (140, 154974), (161, 134760), (168, 129145), (184, 117915), (210, 103316), (230, 94332), (276, 78610), (280, 77487), (322, 67380), (345, 62888), (420, 51658), (460, 47166), (483, 44920), (552, 39305), (644, 33690), (690, 31444), (805, 26952), (840, 25829), (920, 23583), (966, 22460), (1123, 19320), (1288, 16845), (1380, 15722), (1610, 13476), (1932, 11230), (2246, 9660), (2415, 8984), (2760, 7861), (3220, 6738), (3369, 6440), (3864, 5615), (4492, 4830)]