2143638

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 5598720

約数和(自身を除く): 3455082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 107, 126, 159, 189, 214, 318, 321, 371, 378, 477, 642, 742, 749, 954, 963, 1113, 1431, 1498, 1926, 2226, 2247, 2862, 2889, 3339, 4494, 5671, 5778, 6678, 6741, 10017, 11342, 13482, 17013, 20034, 20223, 34026, 39697, 40446, 51039, 79394, 102078, 119091, 153117, 238182, 306234, 357273, 714546, 1071819, 2143638]

約数ペア:

[(1, 2143638), (2, 1071819), (3, 714546), (6, 357273), (7, 306234), (9, 238182), (14, 153117), (18, 119091), (21, 102078), (27, 79394), (42, 51039), (53, 40446), (54, 39697), (63, 34026), (106, 20223), (107, 20034), (126, 17013), (159, 13482), (189, 11342), (214, 10017), (318, 6741), (321, 6678), (371, 5778), (378, 5671), (477, 4494), (642, 3339), (742, 2889), (749, 2862), (954, 2247), (963, 2226), (1113, 1926), (1431, 1498)]