21484960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19183}}^1$

素因数の和:19205

約数の個数: 48

約数和(自身を含む): 58012416

約数和(自身を除く): 36527456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19183, 38366, 76732, 95915, 134281, 153464, 191830, 268562, 306928, 383660, 537124, 613856, 671405, 767320, 1074248, 1342810, 1534640, 2148496, 2685620, 3069280, 4296992, 5371240, 10742480, 21484960]

約数ペア:

[(1, 21484960), (2, 10742480), (4, 5371240), (5, 4296992), (7, 3069280), (8, 2685620), (10, 2148496), (14, 1534640), (16, 1342810), (20, 1074248), (28, 767320), (32, 671405), (35, 613856), (40, 537124), (56, 383660), (70, 306928), (80, 268562), (112, 191830), (140, 153464), (160, 134281), (224, 95915), (280, 76732), (560, 38366), (1120, 19183)]