21518370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{641}}^1$

素因数の和:1027

約数の個数: 48

約数和(自身を含む): 56185272

約数和(自身を除く): 34666902

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 373, 641, 746, 1119, 1282, 1865, 1923, 2238, 3205, 3357, 3730, 3846, 5595, 5769, 6410, 6714, 9615, 11190, 11538, 16785, 19230, 28845, 33570, 57690, 239093, 478186, 717279, 1195465, 1434558, 2151837, 2390930, 3586395, 4303674, 7172790, 10759185, 21518370]

約数ペア:

[(1, 21518370), (2, 10759185), (3, 7172790), (5, 4303674), (6, 3586395), (9, 2390930), (10, 2151837), (15, 1434558), (18, 1195465), (30, 717279), (45, 478186), (90, 239093), (373, 57690), (641, 33570), (746, 28845), (1119, 19230), (1282, 16785), (1865, 11538), (1923, 11190), (2238, 9615), (3205, 6714), (3357, 6410), (3730, 5769), (3846, 5595)]