21573768

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 34828152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 107, 124, 186, 214, 248, 271, 321, 372, 428, 542, 642, 744, 813, 856, 1084, 1284, 1626, 2168, 2568, 3252, 3317, 6504, 6634, 8401, 9951, 13268, 16802, 19902, 25203, 26536, 28997, 33604, 39804, 50406, 57994, 67208, 79608, 86991, 100812, 115988, 173982, 201624, 231976, 347964, 695928, 898907, 1797814, 2696721, 3595628, 5393442, 7191256, 10786884, 21573768]

約数ペア:

[(1, 21573768), (2, 10786884), (3, 7191256), (4, 5393442), (6, 3595628), (8, 2696721), (12, 1797814), (24, 898907), (31, 695928), (62, 347964), (93, 231976), (107, 201624), (124, 173982), (186, 115988), (214, 100812), (248, 86991), (271, 79608), (321, 67208), (372, 57994), (428, 50406), (542, 39804), (642, 33604), (744, 28997), (813, 26536), (856, 25203), (1084, 19902), (1284, 16802), (1626, 13268), (2168, 9951), (2568, 8401), (3252, 6634), (3317, 6504)]