21706944

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:574

約数の個数: 112

約数和(自身を含む): 67885056

約数和(自身を除く): 46178112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 168, 186, 192, 217, 224, 248, 336, 372, 434, 448, 496, 521, 651, 672, 744, 868, 992, 1042, 1302, 1344, 1488, 1563, 1736, 1984, 2084, 2604, 2976, 3126, 3472, 3647, 4168, 5208, 5952, 6252, 6944, 7294, 8336, 10416, 10941, 12504, 13888, 14588, 16151, 16672, 20832, 21882, 25008, 29176, 32302, 33344, 41664, 43764, 48453, 50016, 58352, 64604, 87528, 96906, 100032, 113057, 116704, 129208, 175056, 193812, 226114, 233408, 258416, 339171, 350112, 387624, 452228, 516832, 678342, 700224, 775248, 904456, 1033664, 1356684, 1550496, 1808912, 2713368, 3100992, 3617824, 5426736, 7235648, 10853472, 21706944]

約数ペア:

[(1, 21706944), (2, 10853472), (3, 7235648), (4, 5426736), (6, 3617824), (7, 3100992), (8, 2713368), (12, 1808912), (14, 1550496), (16, 1356684), (21, 1033664), (24, 904456), (28, 775248), (31, 700224), (32, 678342), (42, 516832), (48, 452228), (56, 387624), (62, 350112), (64, 339171), (84, 258416), (93, 233408), (96, 226114), (112, 193812), (124, 175056), (168, 129208), (186, 116704), (192, 113057), (217, 100032), (224, 96906), (248, 87528), (336, 64604), (372, 58352), (434, 50016), (448, 48453), (496, 43764), (521, 41664), (651, 33344), (672, 32302), (744, 29176), (868, 25008), (992, 21882), (1042, 20832), (1302, 16672), (1344, 16151), (1488, 14588), (1563, 13888), (1736, 12504), (1984, 10941), (2084, 10416), (2604, 8336), (2976, 7294), (3126, 6944), (3472, 6252), (3647, 5952), (4168, 5208)]