21774760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4093}}^1$

素因数の和:4130

約数の個数: 64

約数和(自身を含む): 58953600

約数和(自身を除く): 37178840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 4093, 5320, 8186, 16372, 20465, 28651, 32744, 40930, 57302, 77767, 81860, 114604, 143255, 155534, 163720, 229208, 286510, 311068, 388835, 544369, 573020, 622136, 777670, 1088738, 1146040, 1555340, 2177476, 2721845, 3110680, 4354952, 5443690, 10887380, 21774760]

約数ペア:

[(1, 21774760), (2, 10887380), (4, 5443690), (5, 4354952), (7, 3110680), (8, 2721845), (10, 2177476), (14, 1555340), (19, 1146040), (20, 1088738), (28, 777670), (35, 622136), (38, 573020), (40, 544369), (56, 388835), (70, 311068), (76, 286510), (95, 229208), (133, 163720), (140, 155534), (152, 143255), (190, 114604), (266, 81860), (280, 77767), (380, 57302), (532, 40930), (665, 32744), (760, 28651), (1064, 20465), (1330, 16372), (2660, 8186), (4093, 5320)]