21469112

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 26914888

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 83, 124, 149, 166, 217, 248, 298, 332, 434, 581, 596, 664, 868, 1043, 1162, 1192, 1736, 2086, 2324, 2573, 4172, 4619, 4648, 5146, 8344, 9238, 10292, 12367, 18011, 18476, 20584, 24734, 32333, 36022, 36952, 49468, 64666, 72044, 86569, 98936, 129332, 144088, 173138, 258664, 346276, 383377, 692552, 766754, 1533508, 2683639, 3067016, 5367278, 10734556, 21469112]

約数ペア:

[(1, 21469112), (2, 10734556), (4, 5367278), (7, 3067016), (8, 2683639), (14, 1533508), (28, 766754), (31, 692552), (56, 383377), (62, 346276), (83, 258664), (124, 173138), (149, 144088), (166, 129332), (217, 98936), (248, 86569), (298, 72044), (332, 64666), (434, 49468), (581, 36952), (596, 36022), (664, 32333), (868, 24734), (1043, 20584), (1162, 18476), (1192, 18011), (1736, 12367), (2086, 10292), (2324, 9238), (2573, 8344), (4172, 5146), (4619, 4648)]