21616205340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1435339}}^1$

素因数の和:1435602

約数の個数: 48

約数和(自身を含む): 60766554240

約数和(自身を除く): 39150348900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 2510, 3012, 3765, 5020, 7530, 15060, 1435339, 2870678, 4306017, 5741356, 7176695, 8612034, 14353390, 17224068, 21530085, 28706780, 43060170, 86120340, 360270089, 720540178, 1080810267, 1441080356, 1801350445, 2161620534, 3602700890, 4323241068, 5404051335, 7205401780, 10808102670, 21616205340]

約数ペア:

[(1, 21616205340), (2, 10808102670), (3, 7205401780), (4, 5404051335), (5, 4323241068), (6, 3602700890), (10, 2161620534), (12, 1801350445), (15, 1441080356), (20, 1080810267), (30, 720540178), (60, 360270089), (251, 86120340), (502, 43060170), (753, 28706780), (1004, 21530085), (1255, 17224068), (1506, 14353390), (2510, 8612034), (3012, 7176695), (3765, 5741356), (5020, 4306017), (7530, 2870678), (15060, 1435339)]