21325320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1655

約数の個数: 96

約数和(自身を含む): 71224920

約数和(自身を除く): 49899600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1601, 1665, 2220, 2664, 3202, 3330, 4440, 4803, 6404, 6660, 8005, 9606, 12808, 13320, 14409, 16010, 19212, 24015, 28818, 32020, 38424, 48030, 57636, 59237, 64040, 72045, 96060, 115272, 118474, 144090, 177711, 192120, 236948, 288180, 296185, 355422, 473896, 533133, 576360, 592370, 710844, 888555, 1066266, 1184740, 1421688, 1777110, 2132532, 2369480, 2665665, 3554220, 4265064, 5331330, 7108440, 10662660, 21325320]

約数ペア:

[(1, 21325320), (2, 10662660), (3, 7108440), (4, 5331330), (5, 4265064), (6, 3554220), (8, 2665665), (9, 2369480), (10, 2132532), (12, 1777110), (15, 1421688), (18, 1184740), (20, 1066266), (24, 888555), (30, 710844), (36, 592370), (37, 576360), (40, 533133), (45, 473896), (60, 355422), (72, 296185), (74, 288180), (90, 236948), (111, 192120), (120, 177711), (148, 144090), (180, 118474), (185, 115272), (222, 96060), (296, 72045), (333, 64040), (360, 59237), (370, 57636), (444, 48030), (555, 38424), (666, 32020), (740, 28818), (888, 24015), (1110, 19212), (1332, 16010), (1480, 14409), (1601, 13320), (1665, 12808), (2220, 9606), (2664, 8005), (3202, 6660), (3330, 6404), (4440, 4803)]