21039066

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 48185280

約数和(自身を除く): 27146214

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 89, 138, 178, 207, 267, 414, 534, 571, 801, 1142, 1602, 1713, 2047, 3426, 4094, 5139, 6141, 10278, 12282, 13133, 18423, 26266, 36846, 39399, 50819, 78798, 101638, 118197, 152457, 236394, 304914, 457371, 914742, 1168837, 2337674, 3506511, 7013022, 10519533, 21039066]

約数ペア:

[(1, 21039066), (2, 10519533), (3, 7013022), (6, 3506511), (9, 2337674), (18, 1168837), (23, 914742), (46, 457371), (69, 304914), (89, 236394), (138, 152457), (178, 118197), (207, 101638), (267, 78798), (414, 50819), (534, 39399), (571, 36846), (801, 26266), (1142, 18423), (1602, 13133), (1713, 12282), (2047, 10278), (3426, 6141), (4094, 5139)]