21493582040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{41651}}^1$

素因数の和:41785

約数の個数: 128

約数和(自身を含む): 58779302400

約数和(自身を除く): 37285720360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 97, 133, 140, 152, 190, 194, 266, 280, 380, 388, 485, 532, 665, 679, 760, 776, 970, 1064, 1330, 1358, 1843, 1940, 2660, 2716, 3395, 3686, 3880, 5320, 5432, 6790, 7372, 9215, 12901, 13580, 14744, 18430, 25802, 27160, 36860, 41651, 51604, 64505, 73720, 83302, 103208, 129010, 166604, 208255, 258020, 291557, 333208, 416510, 516040, 583114, 791369, 833020, 1166228, 1457785, 1582738, 1666040, 2332456, 2915570, 3165476, 3956845, 4040147, 5539583, 5831140, 6330952, 7913690, 8080294, 11079166, 11662280, 15827380, 16160588, 20200735, 22158332, 27697915, 28281029, 31654760, 32321176, 40401470, 44316664, 55395830, 56562058, 76762793, 80802940, 110791660, 113124116, 141405145, 153525586, 161605880, 221583320, 226248232, 282810290, 307051172, 383813965, 537339551, 565620580, 614102344, 767627930, 1074679102, 1131241160, 1535255860, 2149358204, 2686697755, 3070511720, 4298716408, 5373395510, 10746791020, 21493582040]

約数ペア:

[(1, 21493582040), (2, 10746791020), (4, 5373395510), (5, 4298716408), (7, 3070511720), (8, 2686697755), (10, 2149358204), (14, 1535255860), (19, 1131241160), (20, 1074679102), (28, 767627930), (35, 614102344), (38, 565620580), (40, 537339551), (56, 383813965), (70, 307051172), (76, 282810290), (95, 226248232), (97, 221583320), (133, 161605880), (140, 153525586), (152, 141405145), (190, 113124116), (194, 110791660), (266, 80802940), (280, 76762793), (380, 56562058), (388, 55395830), (485, 44316664), (532, 40401470), (665, 32321176), (679, 31654760), (760, 28281029), (776, 27697915), (970, 22158332), (1064, 20200735), (1330, 16160588), (1358, 15827380), (1843, 11662280), (1940, 11079166), (2660, 8080294), (2716, 7913690), (3395, 6330952), (3686, 5831140), (3880, 5539583), (5320, 4040147), (5432, 3956845), (6790, 3165476), (7372, 2915570), (9215, 2332456), (12901, 1666040), (13580, 1582738), (14744, 1457785), (18430, 1166228), (25802, 833020), (27160, 791369), (36860, 583114), (41651, 516040), (51604, 416510), (64505, 333208), (73720, 291557), (83302, 258020), (103208, 208255), (129010, 166604)]