21873360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91139}}^1$

素因数の和:91155

約数の個数: 40

約数和(自身を含む): 67808160

約数和(自身を除く): 45934800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91139, 182278, 273417, 364556, 455695, 546834, 729112, 911390, 1093668, 1367085, 1458224, 1822780, 2187336, 2734170, 3645560, 4374672, 5468340, 7291120, 10936680, 21873360]

約数ペア:

[(1, 21873360), (2, 10936680), (3, 7291120), (4, 5468340), (5, 4374672), (6, 3645560), (8, 2734170), (10, 2187336), (12, 1822780), (15, 1458224), (16, 1367085), (20, 1093668), (24, 911390), (30, 729112), (40, 546834), (48, 455695), (60, 364556), (80, 273417), (120, 182278), (240, 91139)]