21598164

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 65862720

約数和(自身を除く): 44264556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 89, 107, 108, 126, 162, 178, 189, 214, 252, 267, 321, 324, 356, 378, 428, 534, 567, 623, 642, 749, 756, 801, 963, 1068, 1134, 1246, 1284, 1498, 1602, 1869, 1926, 2247, 2268, 2403, 2492, 2889, 2996, 3204, 3738, 3852, 4494, 4806, 5607, 5778, 6741, 7209, 7476, 8667, 8988, 9523, 9612, 11214, 11556, 13482, 14418, 16821, 17334, 19046, 20223, 22428, 26964, 28569, 28836, 33642, 34668, 38092, 40446, 50463, 57138, 60669, 66661, 67284, 80892, 85707, 100926, 114276, 121338, 133322, 171414, 199983, 201852, 242676, 257121, 266644, 342828, 399966, 514242, 599949, 771363, 799932, 1028484, 1199898, 1542726, 1799847, 2399796, 3085452, 3599694, 5399541, 7199388, 10799082, 21598164]

約数ペア:

[(1, 21598164), (2, 10799082), (3, 7199388), (4, 5399541), (6, 3599694), (7, 3085452), (9, 2399796), (12, 1799847), (14, 1542726), (18, 1199898), (21, 1028484), (27, 799932), (28, 771363), (36, 599949), (42, 514242), (54, 399966), (63, 342828), (81, 266644), (84, 257121), (89, 242676), (107, 201852), (108, 199983), (126, 171414), (162, 133322), (178, 121338), (189, 114276), (214, 100926), (252, 85707), (267, 80892), (321, 67284), (324, 66661), (356, 60669), (378, 57138), (428, 50463), (534, 40446), (567, 38092), (623, 34668), (642, 33642), (749, 28836), (756, 28569), (801, 26964), (963, 22428), (1068, 20223), (1134, 19046), (1246, 17334), (1284, 16821), (1498, 14418), (1602, 13482), (1869, 11556), (1926, 11214), (2247, 9612), (2268, 9523), (2403, 8988), (2492, 8667), (2889, 7476), (2996, 7209), (3204, 6741), (3738, 5778), (3852, 5607), (4494, 4806)]