21606830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 47941632

約数和(自身を除く): 26334802

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 67, 70, 85, 119, 134, 170, 238, 271, 335, 469, 542, 595, 670, 938, 1139, 1190, 1355, 1897, 2278, 2345, 2710, 3794, 4607, 4690, 5695, 7973, 9214, 9485, 11390, 15946, 18157, 18970, 23035, 32249, 36314, 39865, 46070, 64498, 79730, 90785, 127099, 161245, 181570, 254198, 308669, 322490, 617338, 635495, 1270990, 1543345, 2160683, 3086690, 4321366, 10803415, 21606830]

約数ペア:

[(1, 21606830), (2, 10803415), (5, 4321366), (7, 3086690), (10, 2160683), (14, 1543345), (17, 1270990), (34, 635495), (35, 617338), (67, 322490), (70, 308669), (85, 254198), (119, 181570), (134, 161245), (170, 127099), (238, 90785), (271, 79730), (335, 64498), (469, 46070), (542, 39865), (595, 36314), (670, 32249), (938, 23035), (1139, 18970), (1190, 18157), (1355, 15946), (1897, 11390), (2278, 9485), (2345, 9214), (2710, 7973), (3794, 5695), (4607, 4690)]