21293604

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 58807840

約数和(自身を除く): 37514236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1153, 1539, 2052, 2306, 3078, 3459, 4612, 4617, 6156, 6918, 9234, 10377, 13836, 18468, 20754, 21907, 31131, 41508, 43814, 62262, 65721, 87628, 93393, 124524, 131442, 186786, 197163, 262884, 280179, 373572, 394326, 560358, 591489, 788652, 1120716, 1182978, 1774467, 2365956, 3548934, 5323401, 7097868, 10646802, 21293604]

約数ペア:

[(1, 21293604), (2, 10646802), (3, 7097868), (4, 5323401), (6, 3548934), (9, 2365956), (12, 1774467), (18, 1182978), (19, 1120716), (27, 788652), (36, 591489), (38, 560358), (54, 394326), (57, 373572), (76, 280179), (81, 262884), (108, 197163), (114, 186786), (162, 131442), (171, 124524), (228, 93393), (243, 87628), (324, 65721), (342, 62262), (486, 43814), (513, 41508), (684, 31131), (972, 21907), (1026, 20754), (1153, 18468), (1539, 13836), (2052, 10377), (2306, 9234), (3078, 6918), (3459, 6156), (4612, 4617)]