21174534

素因数分解:

$2^1\times 3^7\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 49121280

約数和(自身を除く): 27946746

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 103, 141, 162, 206, 243, 282, 309, 423, 486, 618, 729, 846, 927, 1269, 1458, 1854, 2187, 2538, 2781, 3807, 4374, 4841, 5562, 7614, 8343, 9682, 11421, 14523, 16686, 22842, 25029, 29046, 34263, 43569, 50058, 68526, 75087, 87138, 102789, 130707, 150174, 205578, 225261, 261414, 392121, 450522, 784242, 1176363, 2352726, 3529089, 7058178, 10587267, 21174534]

約数ペア:

[(1, 21174534), (2, 10587267), (3, 7058178), (6, 3529089), (9, 2352726), (18, 1176363), (27, 784242), (47, 450522), (54, 392121), (81, 261414), (94, 225261), (103, 205578), (141, 150174), (162, 130707), (206, 102789), (243, 87138), (282, 75087), (309, 68526), (423, 50058), (486, 43569), (618, 34263), (729, 29046), (846, 25029), (927, 22842), (1269, 16686), (1458, 14523), (1854, 11421), (2187, 9682), (2538, 8343), (2781, 7614), (3807, 5562), (4374, 4841)]