21045096

素因数分解:

$2^3\times 3^4\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 60287040

約数和(自身を除く): 39241944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 81, 94, 108, 141, 162, 188, 216, 282, 324, 376, 423, 564, 648, 691, 846, 1128, 1269, 1382, 1692, 2073, 2538, 2764, 3384, 3807, 4146, 5076, 5528, 6219, 7614, 8292, 10152, 12438, 15228, 16584, 18657, 24876, 30456, 32477, 37314, 49752, 55971, 64954, 74628, 97431, 111942, 129908, 149256, 194862, 223884, 259816, 292293, 389724, 447768, 584586, 779448, 876879, 1169172, 1753758, 2338344, 2630637, 3507516, 5261274, 7015032, 10522548, 21045096]

約数ペア:

[(1, 21045096), (2, 10522548), (3, 7015032), (4, 5261274), (6, 3507516), (8, 2630637), (9, 2338344), (12, 1753758), (18, 1169172), (24, 876879), (27, 779448), (36, 584586), (47, 447768), (54, 389724), (72, 292293), (81, 259816), (94, 223884), (108, 194862), (141, 149256), (162, 129908), (188, 111942), (216, 97431), (282, 74628), (324, 64954), (376, 55971), (423, 49752), (564, 37314), (648, 32477), (691, 30456), (846, 24876), (1128, 18657), (1269, 16584), (1382, 15228), (1692, 12438), (2073, 10152), (2538, 8292), (2764, 7614), (3384, 6219), (3807, 5528), (4146, 5076)]