21020530968

素因数分解:

$2^3\times 3^4\times {\mathrm{1861}}^1\times {\mathrm{17431}}^1$

素因数の和:19310

約数の個数: 80

約数和(自身を含む): 58911966960

約数和(自身を除く): 37891435992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1861, 3722, 5583, 7444, 11166, 14888, 16749, 17431, 22332, 33498, 34862, 44664, 50247, 52293, 66996, 69724, 100494, 104586, 133992, 139448, 150741, 156879, 200988, 209172, 301482, 313758, 401976, 418344, 470637, 602964, 627516, 941274, 1205928, 1255032, 1411911, 1882548, 2823822, 3765096, 5647644, 11295288, 32439091, 64878182, 97317273, 129756364, 194634546, 259512728, 291951819, 389269092, 583903638, 778538184, 875855457, 1167807276, 1751710914, 2335614552, 2627566371, 3503421828, 5255132742, 7006843656, 10510265484, 21020530968]

約数ペア:

[(1, 21020530968), (2, 10510265484), (3, 7006843656), (4, 5255132742), (6, 3503421828), (8, 2627566371), (9, 2335614552), (12, 1751710914), (18, 1167807276), (24, 875855457), (27, 778538184), (36, 583903638), (54, 389269092), (72, 291951819), (81, 259512728), (108, 194634546), (162, 129756364), (216, 97317273), (324, 64878182), (648, 32439091), (1861, 11295288), (3722, 5647644), (5583, 3765096), (7444, 2823822), (11166, 1882548), (14888, 1411911), (16749, 1255032), (17431, 1205928), (22332, 941274), (33498, 627516), (34862, 602964), (44664, 470637), (50247, 418344), (52293, 401976), (66996, 313758), (69724, 301482), (100494, 209172), (104586, 200988), (133992, 156879), (139448, 150741)]