21155232

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31481}}^1$

素因数の和:31501

約数の個数: 48

約数和(自身を含む): 63467712

約数和(自身を除く): 42312480

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31481, 62962, 94443, 125924, 188886, 220367, 251848, 377772, 440734, 503696, 661101, 755544, 881468, 1007392, 1322202, 1511088, 1762936, 2644404, 3022176, 3525872, 5288808, 7051744, 10577616, 21155232]

約数ペア:

[(1, 21155232), (2, 10577616), (3, 7051744), (4, 5288808), (6, 3525872), (7, 3022176), (8, 2644404), (12, 1762936), (14, 1511088), (16, 1322202), (21, 1007392), (24, 881468), (28, 755544), (32, 661101), (42, 503696), (48, 440734), (56, 377772), (84, 251848), (96, 220367), (112, 188886), (168, 125924), (224, 94443), (336, 62962), (672, 31481)]