21960532

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 54

約数和(自身を含む): 45159086

約数和(自身を除く): 23198554

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 157, 187, 242, 289, 314, 374, 484, 578, 628, 748, 1156, 1727, 2057, 2669, 3179, 3454, 4114, 5338, 6358, 6908, 8228, 10676, 12716, 18997, 29359, 34969, 37994, 45373, 58718, 69938, 75988, 90746, 117436, 139876, 181492, 322949, 499103, 645898, 998206, 1291796, 1996412, 5490133, 10980266, 21960532]

約数ペア:

[(1, 21960532), (2, 10980266), (4, 5490133), (11, 1996412), (17, 1291796), (22, 998206), (34, 645898), (44, 499103), (68, 322949), (121, 181492), (157, 139876), (187, 117436), (242, 90746), (289, 75988), (314, 69938), (374, 58718), (484, 45373), (578, 37994), (628, 34969), (748, 29359), (1156, 18997), (1727, 12716), (2057, 10676), (2669, 8228), (3179, 6908), (3454, 6358), (4114, 5338)]