21843816

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 56851200

約数和(自身を除く): 35007384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 79, 82, 123, 158, 164, 237, 246, 281, 316, 328, 474, 492, 562, 632, 843, 948, 984, 1124, 1686, 1896, 2248, 3239, 3372, 6478, 6744, 9717, 11521, 12956, 19434, 22199, 23042, 25912, 34563, 38868, 44398, 46084, 66597, 69126, 77736, 88796, 92168, 133194, 138252, 177592, 266388, 276504, 532776, 910159, 1820318, 2730477, 3640636, 5460954, 7281272, 10921908, 21843816]

約数ペア:

[(1, 21843816), (2, 10921908), (3, 7281272), (4, 5460954), (6, 3640636), (8, 2730477), (12, 1820318), (24, 910159), (41, 532776), (79, 276504), (82, 266388), (123, 177592), (158, 138252), (164, 133194), (237, 92168), (246, 88796), (281, 77736), (316, 69126), (328, 66597), (474, 46084), (492, 44398), (562, 38868), (632, 34563), (843, 25912), (948, 23042), (984, 22199), (1124, 19434), (1686, 12956), (1896, 11521), (2248, 9717), (3239, 6744), (3372, 6478)]