21303972

素因数分解:

$2^2\times 3^4\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1462

約数の個数: 60

約数和(自身を含む): 56918400

約数和(自身を除く): 35614428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 81, 94, 108, 141, 162, 188, 282, 324, 423, 564, 846, 1269, 1399, 1692, 2538, 2798, 3807, 4197, 5076, 5596, 7614, 8394, 12591, 15228, 16788, 25182, 37773, 50364, 65753, 75546, 113319, 131506, 151092, 197259, 226638, 263012, 394518, 453276, 591777, 789036, 1183554, 1775331, 2367108, 3550662, 5325993, 7101324, 10651986, 21303972]

約数ペア:

[(1, 21303972), (2, 10651986), (3, 7101324), (4, 5325993), (6, 3550662), (9, 2367108), (12, 1775331), (18, 1183554), (27, 789036), (36, 591777), (47, 453276), (54, 394518), (81, 263012), (94, 226638), (108, 197259), (141, 151092), (162, 131506), (188, 113319), (282, 75546), (324, 65753), (423, 50364), (564, 37773), (846, 25182), (1269, 16788), (1399, 15228), (1692, 12591), (2538, 8394), (2798, 7614), (3807, 5596), (4197, 5076)]