21585570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 54933120

約数和(自身を除く): 33347550

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 43, 58, 86, 87, 129, 145, 174, 215, 258, 290, 430, 435, 577, 645, 870, 1154, 1247, 1290, 1731, 2494, 2885, 3462, 3741, 5770, 6235, 7482, 8655, 12470, 16733, 17310, 18705, 24811, 33466, 37410, 49622, 50199, 74433, 83665, 100398, 124055, 148866, 167330, 248110, 250995, 372165, 501990, 719519, 744330, 1439038, 2158557, 3597595, 4317114, 7195190, 10792785, 21585570]

約数ペア:

[(1, 21585570), (2, 10792785), (3, 7195190), (5, 4317114), (6, 3597595), (10, 2158557), (15, 1439038), (29, 744330), (30, 719519), (43, 501990), (58, 372165), (86, 250995), (87, 248110), (129, 167330), (145, 148866), (174, 124055), (215, 100398), (258, 83665), (290, 74433), (430, 50199), (435, 49622), (577, 37410), (645, 33466), (870, 24811), (1154, 18705), (1247, 17310), (1290, 16733), (1731, 12470), (2494, 8655), (2885, 7482), (3462, 6235), (3741, 5770)]