21463806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2069}}^1$

素因数の和:2113

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 34177794

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 2069, 3458, 4138, 5187, 6207, 10374, 12414, 14483, 26897, 28966, 39311, 43449, 53794, 78622, 80691, 86898, 117933, 161382, 188279, 235866, 275177, 376558, 511043, 550354, 564837, 825531, 1022086, 1129674, 1533129, 1651062, 3066258, 3577301, 7154602, 10731903, 21463806]

約数ペア:

[(1, 21463806), (2, 10731903), (3, 7154602), (6, 3577301), (7, 3066258), (13, 1651062), (14, 1533129), (19, 1129674), (21, 1022086), (26, 825531), (38, 564837), (39, 550354), (42, 511043), (57, 376558), (78, 275177), (91, 235866), (114, 188279), (133, 161382), (182, 117933), (247, 86898), (266, 80691), (273, 78622), (399, 53794), (494, 43449), (546, 39311), (741, 28966), (798, 26897), (1482, 14483), (1729, 12414), (2069, 10374), (3458, 6207), (4138, 5187)]