21097944

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1021}}^1$

素因数の和:1081

約数の個数: 96

約数和(自身を含む): 66961440

約数和(自身を除く): 45863496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 56, 63, 72, 82, 84, 123, 126, 164, 168, 246, 252, 287, 328, 369, 492, 504, 574, 738, 861, 984, 1021, 1148, 1476, 1722, 2042, 2296, 2583, 2952, 3063, 3444, 4084, 5166, 6126, 6888, 7147, 8168, 9189, 10332, 12252, 14294, 18378, 20664, 21441, 24504, 28588, 36756, 41861, 42882, 57176, 64323, 73512, 83722, 85764, 125583, 128646, 167444, 171528, 251166, 257292, 293027, 334888, 376749, 502332, 514584, 586054, 753498, 879081, 1004664, 1172108, 1506996, 1758162, 2344216, 2637243, 3013992, 3516324, 5274486, 7032648, 10548972, 21097944]

約数ペア:

[(1, 21097944), (2, 10548972), (3, 7032648), (4, 5274486), (6, 3516324), (7, 3013992), (8, 2637243), (9, 2344216), (12, 1758162), (14, 1506996), (18, 1172108), (21, 1004664), (24, 879081), (28, 753498), (36, 586054), (41, 514584), (42, 502332), (56, 376749), (63, 334888), (72, 293027), (82, 257292), (84, 251166), (123, 171528), (126, 167444), (164, 128646), (168, 125583), (246, 85764), (252, 83722), (287, 73512), (328, 64323), (369, 57176), (492, 42882), (504, 41861), (574, 36756), (738, 28588), (861, 24504), (984, 21441), (1021, 20664), (1148, 18378), (1476, 14294), (1722, 12252), (2042, 10332), (2296, 9189), (2583, 8168), (2952, 7147), (3063, 6888), (3444, 6126), (4084, 5166)]