21208068

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{1039}}^1$

素因数の和:1068

約数の個数: 84

約数和(自身を含む): 63656320

約数和(自身を除く): 42448252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1039, 1134, 1458, 1701, 2078, 2268, 2916, 3117, 3402, 4156, 5103, 6234, 6804, 7273, 9351, 10206, 12468, 14546, 18702, 20412, 21819, 28053, 29092, 37404, 43638, 56106, 65457, 84159, 87276, 112212, 130914, 168318, 196371, 252477, 261828, 336636, 392742, 504954, 589113, 757431, 785484, 1009908, 1178226, 1514862, 1767339, 2356452, 3029724, 3534678, 5302017, 7069356, 10604034, 21208068]

約数ペア:

[(1, 21208068), (2, 10604034), (3, 7069356), (4, 5302017), (6, 3534678), (7, 3029724), (9, 2356452), (12, 1767339), (14, 1514862), (18, 1178226), (21, 1009908), (27, 785484), (28, 757431), (36, 589113), (42, 504954), (54, 392742), (63, 336636), (81, 261828), (84, 252477), (108, 196371), (126, 168318), (162, 130914), (189, 112212), (243, 87276), (252, 84159), (324, 65457), (378, 56106), (486, 43638), (567, 37404), (729, 29092), (756, 28053), (972, 21819), (1039, 20412), (1134, 18702), (1458, 14546), (1701, 12468), (2078, 10206), (2268, 9351), (2916, 7273), (3117, 6804), (3402, 6234), (4156, 5103)]