21374464

素因数分解:

$2^9\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:510

約数の個数: 40

約数和(自身を含む): 43211520

約数和(自身を除く): 21837056

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 383, 436, 512, 766, 872, 1532, 1744, 3064, 3488, 6128, 6976, 12256, 13952, 24512, 27904, 41747, 49024, 55808, 83494, 98048, 166988, 196096, 333976, 667952, 1335904, 2671808, 5343616, 10687232, 21374464]

約数ペア:

[(1, 21374464), (2, 10687232), (4, 5343616), (8, 2671808), (16, 1335904), (32, 667952), (64, 333976), (109, 196096), (128, 166988), (218, 98048), (256, 83494), (383, 55808), (436, 49024), (512, 41747), (766, 27904), (872, 24512), (1532, 13952), (1744, 12256), (3064, 6976), (3488, 6128)]