21518475864

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1\times {\mathrm{42487}}^1$

素因数の和:42992

約数の個数: 64

約数和(自身を含む): 55064448000

約数和(自身を除く): 33545972136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 449, 564, 898, 1128, 1347, 1796, 2694, 3592, 5388, 10776, 21103, 42206, 42487, 63309, 84412, 84974, 126618, 127461, 168824, 169948, 253236, 254922, 339896, 506472, 509844, 1019688, 1996889, 3993778, 5990667, 7987556, 11981334, 15975112, 19076663, 23962668, 38153326, 47925336, 57229989, 76306652, 114459978, 152613304, 228919956, 457839912, 896603161, 1793206322, 2689809483, 3586412644, 5379618966, 7172825288, 10759237932, 21518475864]

約数ペア:

[(1, 21518475864), (2, 10759237932), (3, 7172825288), (4, 5379618966), (6, 3586412644), (8, 2689809483), (12, 1793206322), (24, 896603161), (47, 457839912), (94, 228919956), (141, 152613304), (188, 114459978), (282, 76306652), (376, 57229989), (449, 47925336), (564, 38153326), (898, 23962668), (1128, 19076663), (1347, 15975112), (1796, 11981334), (2694, 7987556), (3592, 5990667), (5388, 3993778), (10776, 1996889), (21103, 1019688), (42206, 509844), (42487, 506472), (63309, 339896), (84412, 254922), (84974, 253236), (126618, 169948), (127461, 168824)]