21471476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 21965260

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 107, 214, 221, 227, 428, 442, 454, 884, 908, 1391, 1819, 2782, 2951, 3638, 3859, 5564, 5902, 7276, 7718, 11804, 15436, 23647, 24289, 47294, 48578, 50167, 94588, 97156, 100334, 200668, 315757, 412913, 631514, 825826, 1263028, 1651652, 5367869, 10735738, 21471476]

約数ペア:

[(1, 21471476), (2, 10735738), (4, 5367869), (13, 1651652), (17, 1263028), (26, 825826), (34, 631514), (52, 412913), (68, 315757), (107, 200668), (214, 100334), (221, 97156), (227, 94588), (428, 50167), (442, 48578), (454, 47294), (884, 24289), (908, 23647), (1391, 15436), (1819, 11804), (2782, 7718), (2951, 7276), (3638, 5902), (3859, 5564)]