21913238410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1309817}}^1$

素因数の和:1310070

約数の個数: 32

約数和(自身を含む): 45267310080

約数和(自身を除く): 23354071670

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 8365, 16730, 1309817, 2619634, 6549085, 9168719, 13098170, 18337438, 45843595, 91687190, 313046263, 626092526, 1565231315, 2191323841, 3130462630, 4382647682, 10956619205, 21913238410]

約数ペア:

[(1, 21913238410), (2, 10956619205), (5, 4382647682), (7, 3130462630), (10, 2191323841), (14, 1565231315), (35, 626092526), (70, 313046263), (239, 91687190), (478, 45843595), (1195, 18337438), (1673, 13098170), (2390, 9168719), (3346, 6549085), (8365, 2619634), (16730, 1309817)]