21112182

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12889}}^1$

素因数の和:12917

約数の個数: 48

約数和(自身を含む): 56303520

約数和(自身を除く): 35191338

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12889, 25778, 38667, 77334, 90223, 116001, 167557, 180446, 232002, 270669, 335114, 502671, 541338, 812007, 1005342, 1172899, 1508013, 1624014, 2345798, 3016026, 3518697, 7037394, 10556091, 21112182]

約数ペア:

[(1, 21112182), (2, 10556091), (3, 7037394), (6, 3518697), (7, 3016026), (9, 2345798), (13, 1624014), (14, 1508013), (18, 1172899), (21, 1005342), (26, 812007), (39, 541338), (42, 502671), (63, 335114), (78, 270669), (91, 232002), (117, 180446), (126, 167557), (182, 116001), (234, 90223), (273, 77334), (546, 38667), (819, 25778), (1638, 12889)]