2021223344

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2887}}^1$

素因数の和:2975

約数の個数: 120

約数和(自身を含む): 4898972160

約数和(自身を除く): 2877748816

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 49, 56, 76, 94, 98, 112, 133, 152, 188, 196, 266, 304, 329, 376, 392, 532, 658, 752, 784, 893, 931, 1064, 1316, 1786, 1862, 2128, 2303, 2632, 2887, 3572, 3724, 4606, 5264, 5774, 6251, 7144, 7448, 9212, 11548, 12502, 14288, 14896, 18424, 20209, 23096, 25004, 36848, 40418, 43757, 46192, 50008, 54853, 80836, 87514, 100016, 109706, 135689, 141463, 161672, 175028, 219412, 271378, 282926, 323344, 350056, 383971, 438824, 542756, 565852, 700112, 767942, 877648, 949823, 1085512, 1131704, 1535884, 1899646, 2171024, 2263408, 2578091, 2687797, 3071768, 3799292, 5156182, 5375594, 6143536, 6648761, 7598584, 10312364, 10751188, 13297522, 15197168, 18046637, 20624728, 21502376, 26595044, 36093274, 41249456, 43004752, 53190088, 72186548, 106380176, 126326459, 144373096, 252652918, 288746192, 505305836, 1010611672, 2021223344]

約数ペア:

[(1, 2021223344), (2, 1010611672), (4, 505305836), (7, 288746192), (8, 252652918), (14, 144373096), (16, 126326459), (19, 106380176), (28, 72186548), (38, 53190088), (47, 43004752), (49, 41249456), (56, 36093274), (76, 26595044), (94, 21502376), (98, 20624728), (112, 18046637), (133, 15197168), (152, 13297522), (188, 10751188), (196, 10312364), (266, 7598584), (304, 6648761), (329, 6143536), (376, 5375594), (392, 5156182), (532, 3799292), (658, 3071768), (752, 2687797), (784, 2578091), (893, 2263408), (931, 2171024), (1064, 1899646), (1316, 1535884), (1786, 1131704), (1862, 1085512), (2128, 949823), (2303, 877648), (2632, 767942), (2887, 700112), (3572, 565852), (3724, 542756), (4606, 438824), (5264, 383971), (5774, 350056), (6251, 323344), (7144, 282926), (7448, 271378), (9212, 219412), (11548, 175028), (12502, 161672), (14288, 141463), (14896, 135689), (18424, 109706), (20209, 100016), (23096, 87514), (25004, 80836), (36848, 54853), (40418, 50008), (43757, 46192)]