21109176

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2423}}^1$

素因数の和:2457

約数の個数: 72

約数和(自身を含む): 62866440

約数和(自身を除く): 41757264

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2423, 2904, 4356, 4846, 7269, 8712, 9692, 14538, 19384, 21807, 26653, 29076, 43614, 53306, 58152, 79959, 87228, 106612, 159918, 174456, 213224, 239877, 293183, 319836, 479754, 586366, 639672, 879549, 959508, 1172732, 1759098, 1919016, 2345464, 2638647, 3518196, 5277294, 7036392, 10554588, 21109176]

約数ペア:

[(1, 21109176), (2, 10554588), (3, 7036392), (4, 5277294), (6, 3518196), (8, 2638647), (9, 2345464), (11, 1919016), (12, 1759098), (18, 1172732), (22, 959508), (24, 879549), (33, 639672), (36, 586366), (44, 479754), (66, 319836), (72, 293183), (88, 239877), (99, 213224), (121, 174456), (132, 159918), (198, 106612), (242, 87228), (264, 79959), (363, 58152), (396, 53306), (484, 43614), (726, 29076), (792, 26653), (968, 21807), (1089, 19384), (1452, 14538), (2178, 9692), (2423, 8712), (2904, 7269), (4356, 4846)]