21394240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9551}}^1$

素因数の和:9575

約数の個数: 56

約数和(自身を含む): 58228992

約数和(自身を除く): 36834752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9551, 19102, 38204, 47755, 66857, 76408, 95510, 133714, 152816, 191020, 267428, 305632, 334285, 382040, 534856, 611264, 668570, 764080, 1069712, 1337140, 1528160, 2139424, 2674280, 3056320, 4278848, 5348560, 10697120, 21394240]

約数ペア:

[(1, 21394240), (2, 10697120), (4, 5348560), (5, 4278848), (7, 3056320), (8, 2674280), (10, 2139424), (14, 1528160), (16, 1337140), (20, 1069712), (28, 764080), (32, 668570), (35, 611264), (40, 534856), (56, 382040), (64, 334285), (70, 305632), (80, 267428), (112, 191020), (140, 152816), (160, 133714), (224, 95510), (280, 76408), (320, 66857), (448, 47755), (560, 38204), (1120, 19102), (2240, 9551)]