2021197827

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 3161088000

約数和(自身を除く): 1139890173

約数列:

[1, 3, 11, 19, 33, 57, 97, 167, 199, 209, 291, 501, 597, 627, 1067, 1837, 1843, 2189, 3173, 3201, 3781, 5511, 5529, 6567, 9519, 11343, 16199, 19303, 20273, 33233, 34903, 41591, 48597, 57909, 60819, 99699, 104709, 124773, 178189, 212333, 307781, 365563, 366757, 534567, 631427, 636999, 923343, 1096689, 1100271, 1894281, 3223601, 3385591, 4034327, 6945697, 9670803, 10156773, 12102981, 20837091, 35459611, 61248419, 106378833, 183745257, 673732609, 2021197827]

約数ペア:

[(1, 2021197827), (3, 673732609), (11, 183745257), (19, 106378833), (33, 61248419), (57, 35459611), (97, 20837091), (167, 12102981), (199, 10156773), (209, 9670803), (291, 6945697), (501, 4034327), (597, 3385591), (627, 3223601), (1067, 1894281), (1837, 1100271), (1843, 1096689), (2189, 923343), (3173, 636999), (3201, 631427), (3781, 534567), (5511, 366757), (5529, 365563), (6567, 307781), (9519, 212333), (11343, 178189), (16199, 124773), (19303, 104709), (20273, 99699), (33233, 60819), (34903, 57909), (41591, 48597)]