21227200

素因数分解:

$2^6\times 5^2\times {\mathrm{13267}}^1$

素因数の和:13289

約数の個数: 42

約数和(自身を含む): 52236116

約数和(自身を除く): 31008916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 13267, 26534, 53068, 66335, 106136, 132670, 212272, 265340, 331675, 424544, 530680, 663350, 849088, 1061360, 1326700, 2122720, 2653400, 4245440, 5306800, 10613600, 21227200]

約数ペア:

[(1, 21227200), (2, 10613600), (4, 5306800), (5, 4245440), (8, 2653400), (10, 2122720), (16, 1326700), (20, 1061360), (25, 849088), (32, 663350), (40, 530680), (50, 424544), (64, 331675), (80, 265340), (100, 212272), (160, 132670), (200, 106136), (320, 66335), (400, 53068), (800, 26534), (1600, 13267)]