21478968

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2243}}^1$

素因数の和:2281

約数の個数: 96

約数和(自身を含む): 70012800

約数和(自身を除く): 48533832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 56, 57, 63, 72, 76, 84, 114, 126, 133, 152, 168, 171, 228, 252, 266, 342, 399, 456, 504, 532, 684, 798, 1064, 1197, 1368, 1596, 2243, 2394, 3192, 4486, 4788, 6729, 8972, 9576, 13458, 15701, 17944, 20187, 26916, 31402, 40374, 42617, 47103, 53832, 62804, 80748, 85234, 94206, 125608, 127851, 141309, 161496, 170468, 188412, 255702, 282618, 298319, 340936, 376824, 383553, 511404, 565236, 596638, 767106, 894957, 1022808, 1130472, 1193276, 1534212, 1789914, 2386552, 2684871, 3068424, 3579828, 5369742, 7159656, 10739484, 21478968]

約数ペア:

[(1, 21478968), (2, 10739484), (3, 7159656), (4, 5369742), (6, 3579828), (7, 3068424), (8, 2684871), (9, 2386552), (12, 1789914), (14, 1534212), (18, 1193276), (19, 1130472), (21, 1022808), (24, 894957), (28, 767106), (36, 596638), (38, 565236), (42, 511404), (56, 383553), (57, 376824), (63, 340936), (72, 298319), (76, 282618), (84, 255702), (114, 188412), (126, 170468), (133, 161496), (152, 141309), (168, 127851), (171, 125608), (228, 94206), (252, 85234), (266, 80748), (342, 62804), (399, 53832), (456, 47103), (504, 42617), (532, 40374), (684, 31402), (798, 26916), (1064, 20187), (1197, 17944), (1368, 15701), (1596, 13458), (2243, 9576), (2394, 8972), (3192, 6729), (4486, 4788)]