21421326

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{397}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 47540304

約数和(自身を除く): 26118978

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 397, 529, 782, 794, 1058, 1173, 1191, 1587, 2346, 2382, 3174, 6749, 8993, 9131, 13498, 17986, 18262, 20247, 26979, 27393, 40494, 53958, 54786, 155227, 210013, 310454, 420026, 465681, 630039, 931362, 1260078, 3570221, 7140442, 10710663, 21421326]

約数ペア:

[(1, 21421326), (2, 10710663), (3, 7140442), (6, 3570221), (17, 1260078), (23, 931362), (34, 630039), (46, 465681), (51, 420026), (69, 310454), (102, 210013), (138, 155227), (391, 54786), (397, 53958), (529, 40494), (782, 27393), (794, 26979), (1058, 20247), (1173, 18262), (1191, 17986), (1587, 13498), (2346, 9131), (2382, 8993), (3174, 6749)]