21429695

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 31173120

約数和(自身を除く): 9743425

約数列:

[1, 5, 7, 29, 35, 43, 145, 203, 215, 301, 491, 1015, 1247, 1505, 2455, 3437, 6235, 8729, 14239, 17185, 21113, 43645, 71195, 99673, 105565, 147791, 498365, 612277, 738955, 3061385, 4285939, 21429695]

約数ペア:

[(1, 21429695), (5, 4285939), (7, 3061385), (29, 738955), (35, 612277), (43, 498365), (145, 147791), (203, 105565), (215, 99673), (301, 71195), (491, 43645), (1015, 21113), (1247, 17185), (1505, 14239), (2455, 8729), (3437, 6235)]