21167704195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1\times {\mathrm{811}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 29634232320

約数和(自身を除く): 8466528125

約数列:

[1, 5, 11, 23, 47, 55, 115, 235, 253, 439, 517, 811, 1081, 1265, 2195, 2585, 4055, 4829, 5405, 8921, 10097, 11891, 18653, 20633, 24145, 38117, 44605, 50485, 59455, 93265, 103165, 111067, 190585, 205183, 226963, 356029, 419287, 474559, 555335, 876691, 1025915, 1134815, 1780145, 2096435, 2372795, 3916319, 4383455, 5220149, 8188667, 9643601, 16733363, 19581595, 26100745, 40943335, 48218005, 83666815, 90075337, 184066993, 384867349, 450376685, 920334965, 1924336745, 4233540839, 21167704195]

約数ペア:

[(1, 21167704195), (5, 4233540839), (11, 1924336745), (23, 920334965), (47, 450376685), (55, 384867349), (115, 184066993), (235, 90075337), (253, 83666815), (439, 48218005), (517, 40943335), (811, 26100745), (1081, 19581595), (1265, 16733363), (2195, 9643601), (2585, 8188667), (4055, 5220149), (4829, 4383455), (5405, 3916319), (8921, 2372795), (10097, 2096435), (11891, 1780145), (18653, 1134815), (20633, 1025915), (24145, 876691), (38117, 555335), (44605, 474559), (50485, 419287), (59455, 356029), (93265, 226963), (103165, 205183), (111067, 190585)]