21757656

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 35899944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 43, 58, 86, 87, 116, 129, 172, 174, 232, 258, 344, 348, 516, 696, 727, 1032, 1247, 1454, 2181, 2494, 2908, 3741, 4362, 4988, 5816, 7482, 8724, 9976, 14964, 17448, 21083, 29928, 31261, 42166, 62522, 63249, 84332, 93783, 125044, 126498, 168664, 187566, 250088, 252996, 375132, 505992, 750264, 906569, 1813138, 2719707, 3626276, 5439414, 7252552, 10878828, 21757656]

約数ペア:

[(1, 21757656), (2, 10878828), (3, 7252552), (4, 5439414), (6, 3626276), (8, 2719707), (12, 1813138), (24, 906569), (29, 750264), (43, 505992), (58, 375132), (86, 252996), (87, 250088), (116, 187566), (129, 168664), (172, 126498), (174, 125044), (232, 93783), (258, 84332), (344, 63249), (348, 62522), (516, 42166), (696, 31261), (727, 29928), (1032, 21083), (1247, 17448), (1454, 14964), (2181, 9976), (2494, 8724), (2908, 7482), (3741, 5816), (4362, 4988)]