21498588

素因数分解:

$2^2\times 3^3\times {\mathrm{137}}^1\times {\mathrm{1453}}^1$

素因数の和:1603

約数の個数: 48

約数和(自身を含む): 56182560

約数和(自身を除く): 34683972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 137, 274, 411, 548, 822, 1233, 1453, 1644, 2466, 2906, 3699, 4359, 4932, 5812, 7398, 8718, 13077, 14796, 17436, 26154, 39231, 52308, 78462, 156924, 199061, 398122, 597183, 796244, 1194366, 1791549, 2388732, 3583098, 5374647, 7166196, 10749294, 21498588]

約数ペア:

[(1, 21498588), (2, 10749294), (3, 7166196), (4, 5374647), (6, 3583098), (9, 2388732), (12, 1791549), (18, 1194366), (27, 796244), (36, 597183), (54, 398122), (108, 199061), (137, 156924), (274, 78462), (411, 52308), (548, 39231), (822, 26154), (1233, 17436), (1453, 14796), (1644, 13077), (2466, 8718), (2906, 7398), (3699, 5812), (4359, 4932)]