21180496670

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{6551}}^1$

素因数の和:6777

約数の個数: 64

約数和(自身を含む): 39935960064

約数和(自身を除く): 18755463394

約数列:

[1, 2, 5, 10, 43, 73, 86, 103, 146, 206, 215, 365, 430, 515, 730, 1030, 3139, 4429, 6278, 6551, 7519, 8858, 13102, 15038, 15695, 22145, 31390, 32755, 37595, 44290, 65510, 75190, 281693, 323317, 478223, 563386, 646634, 674753, 956446, 1349506, 1408465, 1616585, 2391115, 2816930, 3233170, 3373765, 4782230, 6747530, 20563589, 29014379, 41127178, 49256969, 58028758, 98513938, 102817945, 145071895, 205635890, 246284845, 290143790, 492569690, 2118049667, 4236099334, 10590248335, 21180496670]

約数ペア:

[(1, 21180496670), (2, 10590248335), (5, 4236099334), (10, 2118049667), (43, 492569690), (73, 290143790), (86, 246284845), (103, 205635890), (146, 145071895), (206, 102817945), (215, 98513938), (365, 58028758), (430, 49256969), (515, 41127178), (730, 29014379), (1030, 20563589), (3139, 6747530), (4429, 4782230), (6278, 3373765), (6551, 3233170), (7519, 2816930), (8858, 2391115), (13102, 1616585), (15038, 1408465), (15695, 1349506), (22145, 956446), (31390, 674753), (32755, 646634), (37595, 563386), (44290, 478223), (65510, 323317), (75190, 281693)]