21618408

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 65007360

約数和(自身を除く): 43388952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 49, 56, 62, 84, 93, 98, 124, 147, 168, 186, 196, 217, 248, 294, 372, 392, 434, 588, 593, 651, 744, 868, 1176, 1186, 1302, 1519, 1736, 1779, 2372, 2604, 3038, 3558, 4151, 4557, 4744, 5208, 6076, 7116, 8302, 9114, 12152, 12453, 14232, 16604, 18228, 18383, 24906, 29057, 33208, 36456, 36766, 49812, 55149, 58114, 73532, 87171, 99624, 110298, 116228, 128681, 147064, 174342, 220596, 232456, 257362, 348684, 386043, 441192, 514724, 697368, 772086, 900767, 1029448, 1544172, 1801534, 2702301, 3088344, 3603068, 5404602, 7206136, 10809204, 21618408]

約数ペア:

[(1, 21618408), (2, 10809204), (3, 7206136), (4, 5404602), (6, 3603068), (7, 3088344), (8, 2702301), (12, 1801534), (14, 1544172), (21, 1029448), (24, 900767), (28, 772086), (31, 697368), (42, 514724), (49, 441192), (56, 386043), (62, 348684), (84, 257362), (93, 232456), (98, 220596), (124, 174342), (147, 147064), (168, 128681), (186, 116228), (196, 110298), (217, 99624), (248, 87171), (294, 73532), (372, 58114), (392, 55149), (434, 49812), (588, 36766), (593, 36456), (651, 33208), (744, 29057), (868, 24906), (1176, 18383), (1186, 18228), (1302, 16604), (1519, 14232), (1736, 12453), (1779, 12152), (2372, 9114), (2604, 8302), (3038, 7116), (3558, 6076), (4151, 5208), (4557, 4744)]