21448157024

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1806617}}^1$

素因数の和:1806687

約数の個数: 48

約数和(自身を含む): 49168915488

約数和(自身を除く): 27720758464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1696, 2968, 5936, 11872, 1806617, 3613234, 7226468, 12646319, 14452936, 25292638, 28905872, 50585276, 57811744, 95750701, 101170552, 191501402, 202341104, 383002804, 404682208, 670254907, 766005608, 1340509814, 1532011216, 2681019628, 3064022432, 5362039256, 10724078512, 21448157024]

約数ペア:

[(1, 21448157024), (2, 10724078512), (4, 5362039256), (7, 3064022432), (8, 2681019628), (14, 1532011216), (16, 1340509814), (28, 766005608), (32, 670254907), (53, 404682208), (56, 383002804), (106, 202341104), (112, 191501402), (212, 101170552), (224, 95750701), (371, 57811744), (424, 50585276), (742, 28905872), (848, 25292638), (1484, 14452936), (1696, 12646319), (2968, 7226468), (5936, 3613234), (11872, 1806617)]