21228984

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 96

約数和(自身を含む): 66724320

約数和(自身を除く): 45495336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 73, 84, 126, 146, 168, 219, 252, 292, 438, 504, 511, 577, 584, 657, 876, 1022, 1154, 1314, 1533, 1731, 1752, 2044, 2308, 2628, 3066, 3462, 4039, 4088, 4599, 4616, 5193, 5256, 6132, 6924, 8078, 9198, 10386, 12117, 12264, 13848, 16156, 18396, 20772, 24234, 32312, 36351, 36792, 41544, 42121, 48468, 72702, 84242, 96936, 126363, 145404, 168484, 252726, 290808, 294847, 336968, 379089, 505452, 589694, 758178, 884541, 1010904, 1179388, 1516356, 1769082, 2358776, 2653623, 3032712, 3538164, 5307246, 7076328, 10614492, 21228984]

約数ペア:

[(1, 21228984), (2, 10614492), (3, 7076328), (4, 5307246), (6, 3538164), (7, 3032712), (8, 2653623), (9, 2358776), (12, 1769082), (14, 1516356), (18, 1179388), (21, 1010904), (24, 884541), (28, 758178), (36, 589694), (42, 505452), (56, 379089), (63, 336968), (72, 294847), (73, 290808), (84, 252726), (126, 168484), (146, 145404), (168, 126363), (219, 96936), (252, 84242), (292, 72702), (438, 48468), (504, 42121), (511, 41544), (577, 36792), (584, 36351), (657, 32312), (876, 24234), (1022, 20772), (1154, 18396), (1314, 16156), (1533, 13848), (1731, 12264), (1752, 12117), (2044, 10386), (2308, 9198), (2628, 8078), (3066, 6924), (3462, 6132), (4039, 5256), (4088, 5193), (4599, 4616)]