21464760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178873}}^1$

素因数の和:178887

約数の個数: 32

約数和(自身を含む): 64394640

約数和(自身を除く): 42929880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178873, 357746, 536619, 715492, 894365, 1073238, 1430984, 1788730, 2146476, 2683095, 3577460, 4292952, 5366190, 7154920, 10732380, 21464760]

約数ペア:

[(1, 21464760), (2, 10732380), (3, 7154920), (4, 5366190), (5, 4292952), (6, 3577460), (8, 2683095), (10, 2146476), (12, 1788730), (15, 1430984), (20, 1073238), (24, 894365), (30, 715492), (40, 536619), (60, 357746), (120, 178873)]