21336318

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 29466882

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 41, 46, 54, 69, 82, 123, 138, 207, 246, 369, 414, 419, 621, 738, 838, 943, 1107, 1242, 1257, 1886, 2214, 2514, 2829, 3771, 5658, 7542, 8487, 9637, 11313, 16974, 17179, 19274, 22626, 25461, 28911, 34358, 50922, 51537, 57822, 86733, 103074, 154611, 173466, 260199, 309222, 395117, 463833, 520398, 790234, 927666, 1185351, 2370702, 3556053, 7112106, 10668159, 21336318]

約数ペア:

[(1, 21336318), (2, 10668159), (3, 7112106), (6, 3556053), (9, 2370702), (18, 1185351), (23, 927666), (27, 790234), (41, 520398), (46, 463833), (54, 395117), (69, 309222), (82, 260199), (123, 173466), (138, 154611), (207, 103074), (246, 86733), (369, 57822), (414, 51537), (419, 50922), (621, 34358), (738, 28911), (838, 25461), (943, 22626), (1107, 19274), (1242, 17179), (1257, 16974), (1886, 11313), (2214, 9637), (2514, 8487), (2829, 7542), (3771, 5658)]