21781950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{145213}}^1$

素因数の和:145228

約数の個数: 24

約数和(自身を含む): 54019608

約数和(自身を除く): 32237658

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 145213, 290426, 435639, 726065, 871278, 1452130, 2178195, 3630325, 4356390, 7260650, 10890975, 21781950]

約数ペア:

[(1, 21781950), (2, 10890975), (3, 7260650), (5, 4356390), (6, 3630325), (10, 2178195), (15, 1452130), (25, 871278), (30, 726065), (50, 435639), (75, 290426), (150, 145213)]