21091379436

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{1237}}^1\times {\mathrm{7069}}^1$

素因数の和:8383

約数の個数: 72

約数和(自身を含む): 54161460080

約数和(自身を除く): 33070080644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 1237, 2412, 2474, 3711, 4948, 7069, 7422, 11133, 14138, 14844, 21207, 22266, 28276, 42414, 44532, 63621, 82879, 84828, 127242, 165758, 248637, 254484, 331516, 473623, 497274, 745911, 947246, 994548, 1420869, 1491822, 1894492, 2841738, 2983644, 4262607, 5683476, 8525214, 8744353, 17050428, 17488706, 26233059, 34977412, 52466118, 78699177, 104932236, 157398354, 314796708, 585871651, 1171743302, 1757614953, 2343486604, 3515229906, 5272844859, 7030459812, 10545689718, 21091379436]

約数ペア:

[(1, 21091379436), (2, 10545689718), (3, 7030459812), (4, 5272844859), (6, 3515229906), (9, 2343486604), (12, 1757614953), (18, 1171743302), (36, 585871651), (67, 314796708), (134, 157398354), (201, 104932236), (268, 78699177), (402, 52466118), (603, 34977412), (804, 26233059), (1206, 17488706), (1237, 17050428), (2412, 8744353), (2474, 8525214), (3711, 5683476), (4948, 4262607), (7069, 2983644), (7422, 2841738), (11133, 1894492), (14138, 1491822), (14844, 1420869), (21207, 994548), (22266, 947246), (28276, 745911), (42414, 497274), (44532, 473623), (63621, 331516), (82879, 254484), (84828, 248637), (127242, 165758)]