21153636

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{3109}}^1$

素因数の和:3135

約数の個数: 72

約数和(自身を含む): 63394240

約数和(自身を除く): 42240604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3109, 3402, 6218, 6804, 9327, 12436, 18654, 21763, 27981, 37308, 43526, 55962, 65289, 83943, 87052, 111924, 130578, 167886, 195867, 251829, 261156, 335772, 391734, 503658, 587601, 755487, 783468, 1007316, 1175202, 1510974, 1762803, 2350404, 3021948, 3525606, 5288409, 7051212, 10576818, 21153636]

約数ペア:

[(1, 21153636), (2, 10576818), (3, 7051212), (4, 5288409), (6, 3525606), (7, 3021948), (9, 2350404), (12, 1762803), (14, 1510974), (18, 1175202), (21, 1007316), (27, 783468), (28, 755487), (36, 587601), (42, 503658), (54, 391734), (63, 335772), (81, 261156), (84, 251829), (108, 195867), (126, 167886), (162, 130578), (189, 111924), (243, 87052), (252, 83943), (324, 65289), (378, 55962), (486, 43526), (567, 37308), (756, 27981), (972, 21763), (1134, 18654), (1701, 12436), (2268, 9327), (3109, 6804), (3402, 6218)]