21671136

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1601}}^1$

素因数の和:1664

約数の個数: 72

約数和(自身を含む): 62977824

約数和(自身を除く): 41306688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1504, 1601, 1692, 2256, 3202, 3384, 4512, 4803, 6404, 6768, 9606, 12808, 13536, 14409, 19212, 25616, 28818, 38424, 51232, 57636, 75247, 76848, 115272, 150494, 153696, 225741, 230544, 300988, 451482, 461088, 601976, 677223, 902964, 1203952, 1354446, 1805928, 2407904, 2708892, 3611856, 5417784, 7223712, 10835568, 21671136]

約数ペア:

[(1, 21671136), (2, 10835568), (3, 7223712), (4, 5417784), (6, 3611856), (8, 2708892), (9, 2407904), (12, 1805928), (16, 1354446), (18, 1203952), (24, 902964), (32, 677223), (36, 601976), (47, 461088), (48, 451482), (72, 300988), (94, 230544), (96, 225741), (141, 153696), (144, 150494), (188, 115272), (282, 76848), (288, 75247), (376, 57636), (423, 51232), (564, 38424), (752, 28818), (846, 25616), (1128, 19212), (1504, 14409), (1601, 13536), (1692, 12808), (2256, 9606), (3202, 6768), (3384, 6404), (4512, 4803)]