221620896

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:755

約数の個数: 144

約数和(自身を含む): 725070528

約数和(自身を除く): 503449632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 211, 224, 252, 288, 336, 422, 504, 521, 633, 672, 844, 1008, 1042, 1266, 1477, 1563, 1688, 1899, 2016, 2084, 2532, 2954, 3126, 3376, 3647, 3798, 4168, 4431, 4689, 5064, 5908, 6252, 6752, 7294, 7596, 8336, 8862, 9378, 10128, 10941, 11816, 12504, 13293, 14588, 15192, 16672, 17724, 18756, 20256, 21882, 23632, 25008, 26586, 29176, 30384, 32823, 35448, 37512, 43764, 47264, 50016, 53172, 58352, 60768, 65646, 70896, 75024, 87528, 106344, 109931, 116704, 131292, 141792, 150048, 175056, 212688, 219862, 262584, 329793, 350112, 425376, 439724, 525168, 659586, 769517, 879448, 989379, 1050336, 1319172, 1539034, 1758896, 1978758, 2308551, 2638344, 3078068, 3517792, 3957516, 4617102, 5276688, 6156136, 6925653, 7915032, 9234204, 10553376, 12312272, 13851306, 15830064, 18468408, 24624544, 27702612, 31660128, 36936816, 55405224, 73873632, 110810448, 221620896]

約数ペア:

[(1, 221620896), (2, 110810448), (3, 73873632), (4, 55405224), (6, 36936816), (7, 31660128), (8, 27702612), (9, 24624544), (12, 18468408), (14, 15830064), (16, 13851306), (18, 12312272), (21, 10553376), (24, 9234204), (28, 7915032), (32, 6925653), (36, 6156136), (42, 5276688), (48, 4617102), (56, 3957516), (63, 3517792), (72, 3078068), (84, 2638344), (96, 2308551), (112, 1978758), (126, 1758896), (144, 1539034), (168, 1319172), (211, 1050336), (224, 989379), (252, 879448), (288, 769517), (336, 659586), (422, 525168), (504, 439724), (521, 425376), (633, 350112), (672, 329793), (844, 262584), (1008, 219862), (1042, 212688), (1266, 175056), (1477, 150048), (1563, 141792), (1688, 131292), (1899, 116704), (2016, 109931), (2084, 106344), (2532, 87528), (2954, 75024), (3126, 70896), (3376, 65646), (3647, 60768), (3798, 58352), (4168, 53172), (4431, 50016), (4689, 47264), (5064, 43764), (5908, 37512), (6252, 35448), (6752, 32823), (7294, 30384), (7596, 29176), (8336, 26586), (8862, 25008), (9378, 23632), (10128, 21882), (10941, 20256), (11816, 18756), (12504, 17724), (13293, 16672), (14588, 15192)]