21699077841

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{365249}}^1$

素因数の和:365326

約数の個数: 48

約数和(自身を含む): 38289888000

約数和(自身を除く): 16590810159

約数列:

[1, 3, 7, 9, 21, 23, 41, 63, 69, 123, 161, 207, 287, 369, 483, 861, 943, 1449, 2583, 2829, 6601, 8487, 19803, 59409, 365249, 1095747, 2556743, 3287241, 7670229, 8400727, 14975209, 23010687, 25202181, 44925627, 58805089, 75606543, 104826463, 134776881, 176415267, 314479389, 344429807, 529245801, 943438167, 1033289421, 2411008649, 3099868263, 7233025947, 21699077841]

約数ペア:

[(1, 21699077841), (3, 7233025947), (7, 3099868263), (9, 2411008649), (21, 1033289421), (23, 943438167), (41, 529245801), (63, 344429807), (69, 314479389), (123, 176415267), (161, 134776881), (207, 104826463), (287, 75606543), (369, 58805089), (483, 44925627), (861, 25202181), (943, 23010687), (1449, 14975209), (2583, 8400727), (2829, 7670229), (6601, 3287241), (8487, 2556743), (19803, 1095747), (59409, 365249)]