21320199696

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{1237}}^1\times {\mathrm{2741}}^1$

素因数の和:4120

約数の個数: 80

約数和(自身を含む): 55562747328

約数和(自身を除く): 34242547632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1237, 1572, 2096, 2474, 2741, 3144, 3711, 4948, 5482, 6288, 7422, 8223, 9896, 10964, 14844, 16446, 19792, 21928, 29688, 32892, 43856, 59376, 65784, 131568, 162047, 324094, 359071, 486141, 648188, 718142, 972282, 1077213, 1296376, 1436284, 1944564, 2154426, 2592752, 2872568, 3390617, 3889128, 4308852, 5745136, 6781234, 7778256, 8617704, 10171851, 13562468, 17235408, 20343702, 27124936, 40687404, 54249872, 81374808, 162749616, 444170827, 888341654, 1332512481, 1776683308, 2665024962, 3553366616, 5330049924, 7106733232, 10660099848, 21320199696]

約数ペア:

[(1, 21320199696), (2, 10660099848), (3, 7106733232), (4, 5330049924), (6, 3553366616), (8, 2665024962), (12, 1776683308), (16, 1332512481), (24, 888341654), (48, 444170827), (131, 162749616), (262, 81374808), (393, 54249872), (524, 40687404), (786, 27124936), (1048, 20343702), (1237, 17235408), (1572, 13562468), (2096, 10171851), (2474, 8617704), (2741, 7778256), (3144, 6781234), (3711, 5745136), (4948, 4308852), (5482, 3889128), (6288, 3390617), (7422, 2872568), (8223, 2592752), (9896, 2154426), (10964, 1944564), (14844, 1436284), (16446, 1296376), (19792, 1077213), (21928, 972282), (29688, 718142), (32892, 648188), (43856, 486141), (59376, 359071), (65784, 324094), (131568, 162047)]