21610624

素因数分解:

$2^7\times 7^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 49939200

約数和(自身を除く): 28328576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 271, 356, 448, 542, 623, 712, 896, 1084, 1246, 1424, 1897, 2168, 2492, 2848, 3794, 4336, 4984, 5696, 7588, 8672, 9968, 11392, 15176, 17344, 19936, 24119, 30352, 34688, 39872, 48238, 60704, 79744, 96476, 121408, 168833, 192952, 242816, 337666, 385904, 675332, 771808, 1350664, 1543616, 2701328, 3087232, 5402656, 10805312, 21610624]

約数ペア:

[(1, 21610624), (2, 10805312), (4, 5402656), (7, 3087232), (8, 2701328), (14, 1543616), (16, 1350664), (28, 771808), (32, 675332), (56, 385904), (64, 337666), (89, 242816), (112, 192952), (128, 168833), (178, 121408), (224, 96476), (271, 79744), (356, 60704), (448, 48238), (542, 39872), (623, 34688), (712, 30352), (896, 24119), (1084, 19936), (1246, 17344), (1424, 15176), (1897, 11392), (2168, 9968), (2492, 8672), (2848, 7588), (3794, 5696), (4336, 4984)]