21692040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1109}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 65534400

約数和(自身を除く): 43842360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1109, 1304, 1630, 1956, 2218, 2445, 3260, 3327, 3912, 4436, 4890, 5545, 6520, 6654, 8872, 9780, 11090, 13308, 16635, 19560, 22180, 26616, 33270, 44360, 66540, 133080, 180767, 361534, 542301, 723068, 903835, 1084602, 1446136, 1807670, 2169204, 2711505, 3615340, 4338408, 5423010, 7230680, 10846020, 21692040]

約数ペア:

[(1, 21692040), (2, 10846020), (3, 7230680), (4, 5423010), (5, 4338408), (6, 3615340), (8, 2711505), (10, 2169204), (12, 1807670), (15, 1446136), (20, 1084602), (24, 903835), (30, 723068), (40, 542301), (60, 361534), (120, 180767), (163, 133080), (326, 66540), (489, 44360), (652, 33270), (815, 26616), (978, 22180), (1109, 19560), (1304, 16635), (1630, 13308), (1956, 11090), (2218, 9780), (2445, 8872), (3260, 6654), (3327, 6520), (3912, 5545), (4436, 4890)]