21648168

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 64281600

約数和(自身を除く): 42633432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 53, 54, 61, 62, 72, 93, 106, 108, 122, 124, 159, 183, 186, 212, 216, 244, 248, 279, 318, 366, 372, 424, 477, 488, 549, 558, 636, 732, 744, 837, 954, 1098, 1116, 1272, 1431, 1464, 1643, 1647, 1674, 1891, 1908, 2196, 2232, 2862, 3233, 3286, 3294, 3348, 3782, 3816, 4392, 4929, 5673, 5724, 6466, 6572, 6588, 6696, 7564, 9699, 9858, 11346, 11448, 12932, 13144, 13176, 14787, 15128, 17019, 19398, 19716, 22692, 25864, 29097, 29574, 34038, 38796, 39432, 44361, 45384, 51057, 58194, 59148, 68076, 77592, 87291, 88722, 100223, 102114, 116388, 118296, 136152, 174582, 177444, 200446, 204228, 232776, 300669, 349164, 354888, 400892, 408456, 601338, 698328, 801784, 902007, 1202676, 1804014, 2405352, 2706021, 3608028, 5412042, 7216056, 10824084, 21648168]

約数ペア:

[(1, 21648168), (2, 10824084), (3, 7216056), (4, 5412042), (6, 3608028), (8, 2706021), (9, 2405352), (12, 1804014), (18, 1202676), (24, 902007), (27, 801784), (31, 698328), (36, 601338), (53, 408456), (54, 400892), (61, 354888), (62, 349164), (72, 300669), (93, 232776), (106, 204228), (108, 200446), (122, 177444), (124, 174582), (159, 136152), (183, 118296), (186, 116388), (212, 102114), (216, 100223), (244, 88722), (248, 87291), (279, 77592), (318, 68076), (366, 59148), (372, 58194), (424, 51057), (477, 45384), (488, 44361), (549, 39432), (558, 38796), (636, 34038), (732, 29574), (744, 29097), (837, 25864), (954, 22692), (1098, 19716), (1116, 19398), (1272, 17019), (1431, 15128), (1464, 14787), (1643, 13176), (1647, 13144), (1674, 12932), (1891, 11448), (1908, 11346), (2196, 9858), (2232, 9699), (2862, 7564), (3233, 6696), (3286, 6588), (3294, 6572), (3348, 6466), (3782, 5724), (3816, 5673), (4392, 4929)]