21206569608

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{77489}}^1$

素因数の和:77692

約数の個数: 128

約数和(自身を含む): 67695264000

約数和(自身を除く): 46488694392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 181, 189, 216, 252, 362, 378, 504, 543, 724, 756, 1086, 1267, 1448, 1512, 1629, 2172, 2534, 3258, 3801, 4344, 4887, 5068, 6516, 7602, 9774, 10136, 11403, 13032, 15204, 19548, 22806, 30408, 34209, 39096, 45612, 68418, 77489, 91224, 136836, 154978, 232467, 273672, 309956, 464934, 542423, 619912, 697401, 929868, 1084846, 1394802, 1627269, 1859736, 2092203, 2169692, 2789604, 3254538, 4184406, 4339384, 4881807, 5579208, 6509076, 8368812, 9763614, 13018152, 14025509, 14645421, 16737624, 19527228, 28051018, 29290842, 39054456, 42076527, 56102036, 58581684, 84153054, 98178563, 112204072, 117163368, 126229581, 168306108, 196357126, 252459162, 294535689, 336612216, 378688743, 392714252, 504918324, 589071378, 757377486, 785428504, 883607067, 1009836648, 1178142756, 1514754972, 1767214134, 2356285512, 2650821201, 3029509944, 3534428268, 5301642402, 7068856536, 10603284804, 21206569608]

約数ペア:

[(1, 21206569608), (2, 10603284804), (3, 7068856536), (4, 5301642402), (6, 3534428268), (7, 3029509944), (8, 2650821201), (9, 2356285512), (12, 1767214134), (14, 1514754972), (18, 1178142756), (21, 1009836648), (24, 883607067), (27, 785428504), (28, 757377486), (36, 589071378), (42, 504918324), (54, 392714252), (56, 378688743), (63, 336612216), (72, 294535689), (84, 252459162), (108, 196357126), (126, 168306108), (168, 126229581), (181, 117163368), (189, 112204072), (216, 98178563), (252, 84153054), (362, 58581684), (378, 56102036), (504, 42076527), (543, 39054456), (724, 29290842), (756, 28051018), (1086, 19527228), (1267, 16737624), (1448, 14645421), (1512, 14025509), (1629, 13018152), (2172, 9763614), (2534, 8368812), (3258, 6509076), (3801, 5579208), (4344, 4881807), (4887, 4339384), (5068, 4184406), (6516, 3254538), (7602, 2789604), (9774, 2169692), (10136, 2092203), (11403, 1859736), (13032, 1627269), (15204, 1394802), (19548, 1084846), (22806, 929868), (30408, 697401), (34209, 619912), (39096, 542423), (45612, 464934), (68418, 309956), (77489, 273672), (91224, 232467), (136836, 154978)]