21291282

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{8389}}^1$

素因数の和:8447

約数の個数: 32

約数和(自身を含む): 48326400

約数和(自身を除く): 27035118

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 8389, 16778, 25167, 50334, 75501, 151002, 226503, 394283, 453006, 788566, 1182849, 2365698, 3548547, 7097094, 10645641, 21291282]

約数ペア:

[(1, 21291282), (2, 10645641), (3, 7097094), (6, 3548547), (9, 2365698), (18, 1182849), (27, 788566), (47, 453006), (54, 394283), (94, 226503), (141, 151002), (282, 75501), (423, 50334), (846, 25167), (1269, 16778), (2538, 8389)]