21811068

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 59007312

約数和(自身を除く): 37196244

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 157, 204, 227, 306, 314, 454, 471, 612, 628, 681, 908, 942, 1362, 1413, 1884, 2043, 2669, 2724, 2826, 3859, 4086, 5338, 5652, 7718, 8007, 8172, 10676, 11577, 15436, 16014, 23154, 24021, 32028, 34731, 35639, 46308, 48042, 69462, 71278, 96084, 106917, 138924, 142556, 213834, 320751, 427668, 605863, 641502, 1211726, 1283004, 1817589, 2423452, 3635178, 5452767, 7270356, 10905534, 21811068]

約数ペア:

[(1, 21811068), (2, 10905534), (3, 7270356), (4, 5452767), (6, 3635178), (9, 2423452), (12, 1817589), (17, 1283004), (18, 1211726), (34, 641502), (36, 605863), (51, 427668), (68, 320751), (102, 213834), (153, 142556), (157, 138924), (204, 106917), (227, 96084), (306, 71278), (314, 69462), (454, 48042), (471, 46308), (612, 35639), (628, 34731), (681, 32028), (908, 24021), (942, 23154), (1362, 16014), (1413, 15436), (1884, 11577), (2043, 10676), (2669, 8172), (2724, 8007), (2826, 7718), (3859, 5652), (4086, 5338)]