21508234

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 16489334

約数列:

[1, 2, 11, 22, 31, 47, 61, 62, 94, 121, 122, 242, 341, 517, 671, 682, 1034, 1342, 1457, 1891, 2867, 2914, 3751, 3782, 5687, 5734, 7381, 7502, 11374, 14762, 16027, 20801, 31537, 32054, 41602, 63074, 88877, 176297, 177754, 228811, 346907, 352594, 457622, 693814, 977647, 1955294, 10754117, 21508234]

約数ペア:

[(1, 21508234), (2, 10754117), (11, 1955294), (22, 977647), (31, 693814), (47, 457622), (61, 352594), (62, 346907), (94, 228811), (121, 177754), (122, 176297), (242, 88877), (341, 63074), (517, 41602), (671, 32054), (682, 31537), (1034, 20801), (1342, 16027), (1457, 14762), (1891, 11374), (2867, 7502), (2914, 7381), (3751, 5734), (3782, 5687)]