21767632

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1171

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 22917008

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1091, 1247, 2182, 2494, 4364, 4988, 8728, 9976, 17456, 19952, 31639, 46913, 63278, 93826, 126556, 187652, 253112, 375304, 506224, 750608, 1360477, 2720954, 5441908, 10883816, 21767632]

約数ペア:

[(1, 21767632), (2, 10883816), (4, 5441908), (8, 2720954), (16, 1360477), (29, 750608), (43, 506224), (58, 375304), (86, 253112), (116, 187652), (172, 126556), (232, 93826), (344, 63278), (464, 46913), (688, 31639), (1091, 19952), (1247, 17456), (2182, 9976), (2494, 8728), (4364, 4988)]