21801473932

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1\times {\mathrm{15739}}^1$

素因数の和:16622

約数の個数: 48

約数和(自身を含む): 44375215360

約数和(自身を除く): 22573741428

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 811, 854, 1622, 1708, 3244, 5677, 11354, 15739, 22708, 31478, 49471, 62956, 98942, 110173, 197884, 220346, 346297, 440692, 692594, 960079, 1385188, 1920158, 3840316, 6720553, 12764329, 13441106, 25528658, 26882212, 51057316, 89350303, 178700606, 357401212, 778624069, 1557248138, 3114496276, 5450368483, 10900736966, 21801473932]

約数ペア:

[(1, 21801473932), (2, 10900736966), (4, 5450368483), (7, 3114496276), (14, 1557248138), (28, 778624069), (61, 357401212), (122, 178700606), (244, 89350303), (427, 51057316), (811, 26882212), (854, 25528658), (1622, 13441106), (1708, 12764329), (3244, 6720553), (5677, 3840316), (11354, 1920158), (15739, 1385188), (22708, 960079), (31478, 692594), (49471, 440692), (62956, 346297), (98942, 220346), (110173, 197884)]