21462380

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{6203}}^1$

素因数の和:6385

約数の個数: 24

約数和(自身を含む): 45338832

約数和(自身を除く): 23876452

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 6203, 12406, 24812, 31015, 62030, 124060, 1073119, 2146238, 4292476, 5365595, 10731190, 21462380]

約数ペア:

[(1, 21462380), (2, 10731190), (4, 5365595), (5, 4292476), (10, 2146238), (20, 1073119), (173, 124060), (346, 62030), (692, 31015), (865, 24812), (1730, 12406), (3460, 6203)]