21480704

素因数分解:

$2^8\times 7^1\times {\mathrm{11987}}^1$

素因数の和:12010

約数の個数: 36

約数和(自身を含む): 49006944

約数和(自身を除く): 27526240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11987, 23974, 47948, 83909, 95896, 167818, 191792, 335636, 383584, 671272, 767168, 1342544, 1534336, 2685088, 3068672, 5370176, 10740352, 21480704]

約数ペア:

[(1, 21480704), (2, 10740352), (4, 5370176), (7, 3068672), (8, 2685088), (14, 1534336), (16, 1342544), (28, 767168), (32, 671272), (56, 383584), (64, 335636), (112, 191792), (128, 167818), (224, 95896), (256, 83909), (448, 47948), (896, 23974), (1792, 11987)]