21962708

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 21582892

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 89, 178, 191, 323, 356, 382, 646, 764, 1292, 1513, 1691, 3026, 3247, 3382, 3629, 6052, 6494, 6764, 7258, 12988, 14516, 16999, 28747, 33998, 57494, 61693, 67996, 114988, 123386, 246772, 288983, 322981, 577966, 645962, 1155932, 1291924, 5490677, 10981354, 21962708]

約数ペア:

[(1, 21962708), (2, 10981354), (4, 5490677), (17, 1291924), (19, 1155932), (34, 645962), (38, 577966), (68, 322981), (76, 288983), (89, 246772), (178, 123386), (191, 114988), (323, 67996), (356, 61693), (382, 57494), (646, 33998), (764, 28747), (1292, 16999), (1513, 14516), (1691, 12988), (3026, 7258), (3247, 6764), (3382, 6494), (3629, 6052)]