21582252

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 58094400

約数和(自身を除く): 36512148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 227, 228, 278, 342, 417, 454, 556, 681, 684, 834, 908, 1251, 1362, 1668, 2043, 2502, 2641, 2724, 4086, 4313, 5004, 5282, 7923, 8172, 8626, 10564, 12939, 15846, 17252, 23769, 25878, 31553, 31692, 38817, 47538, 51756, 63106, 77634, 94659, 95076, 126212, 155268, 189318, 283977, 378636, 567954, 599507, 1135908, 1199014, 1798521, 2398028, 3597042, 5395563, 7194084, 10791126, 21582252]

約数ペア:

[(1, 21582252), (2, 10791126), (3, 7194084), (4, 5395563), (6, 3597042), (9, 2398028), (12, 1798521), (18, 1199014), (19, 1135908), (36, 599507), (38, 567954), (57, 378636), (76, 283977), (114, 189318), (139, 155268), (171, 126212), (227, 95076), (228, 94659), (278, 77634), (342, 63106), (417, 51756), (454, 47538), (556, 38817), (681, 31692), (684, 31553), (834, 25878), (908, 23769), (1251, 17252), (1362, 15846), (1668, 12939), (2043, 10564), (2502, 8626), (2641, 8172), (2724, 7923), (4086, 5282), (4313, 5004)]