21621582

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 49720320

約数和(自身を除く): 28098738

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 191, 331, 342, 382, 573, 662, 993, 1146, 1719, 1986, 2979, 3438, 3629, 5958, 6289, 7258, 10887, 12578, 18867, 21774, 32661, 37734, 56601, 63221, 65322, 113202, 126442, 189663, 379326, 568989, 1137978, 1201199, 2402398, 3603597, 7207194, 10810791, 21621582]

約数ペア:

[(1, 21621582), (2, 10810791), (3, 7207194), (6, 3603597), (9, 2402398), (18, 1201199), (19, 1137978), (38, 568989), (57, 379326), (114, 189663), (171, 126442), (191, 113202), (331, 65322), (342, 63221), (382, 56601), (573, 37734), (662, 32661), (993, 21774), (1146, 18867), (1719, 12578), (1986, 10887), (2979, 7258), (3438, 6289), (3629, 5958)]