21286021008

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{192557}}^1$

素因数の和:192629

約数の個数: 120

約数和(自身を含む): 65327997312

約数和(自身を除く): 44041976304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 49, 56, 84, 94, 98, 112, 141, 147, 168, 188, 196, 282, 294, 329, 336, 376, 392, 564, 588, 658, 752, 784, 987, 1128, 1176, 1316, 1974, 2256, 2303, 2352, 2632, 3948, 4606, 5264, 6909, 7896, 9212, 13818, 15792, 18424, 27636, 36848, 55272, 110544, 192557, 385114, 577671, 770228, 1155342, 1347899, 1540456, 2310684, 2695798, 3080912, 4043697, 4621368, 5391596, 8087394, 9050179, 9242736, 9435293, 10783192, 16174788, 18100358, 18870586, 21566384, 27150537, 28305879, 32349576, 36200716, 37741172, 54301074, 56611758, 63351253, 64699152, 72401432, 75482344, 108602148, 113223516, 126702506, 144802864, 150964688, 190053759, 217204296, 226447032, 253405012, 380107518, 434408592, 443458771, 452894064, 506810024, 760215036, 886917542, 1013620048, 1330376313, 1520430072, 1773835084, 2660752626, 3040860144, 3547670168, 5321505252, 7095340336, 10643010504, 21286021008]

約数ペア:

[(1, 21286021008), (2, 10643010504), (3, 7095340336), (4, 5321505252), (6, 3547670168), (7, 3040860144), (8, 2660752626), (12, 1773835084), (14, 1520430072), (16, 1330376313), (21, 1013620048), (24, 886917542), (28, 760215036), (42, 506810024), (47, 452894064), (48, 443458771), (49, 434408592), (56, 380107518), (84, 253405012), (94, 226447032), (98, 217204296), (112, 190053759), (141, 150964688), (147, 144802864), (168, 126702506), (188, 113223516), (196, 108602148), (282, 75482344), (294, 72401432), (329, 64699152), (336, 63351253), (376, 56611758), (392, 54301074), (564, 37741172), (588, 36200716), (658, 32349576), (752, 28305879), (784, 27150537), (987, 21566384), (1128, 18870586), (1176, 18100358), (1316, 16174788), (1974, 10783192), (2256, 9435293), (2303, 9242736), (2352, 9050179), (2632, 8087394), (3948, 5391596), (4606, 4621368), (5264, 4043697), (6909, 3080912), (7896, 2695798), (9212, 2310684), (13818, 1540456), (15792, 1347899), (18424, 1155342), (27636, 770228), (36848, 577671), (55272, 385114), (110544, 192557)]