2021103318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1\times {\mathrm{853}}^1$

素因数の和:1729

約数の個数: 64

約数和(自身を含む): 4481491392

約数和(自身を除く): 2460388074

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 821, 853, 962, 1443, 1642, 1706, 2463, 2559, 2886, 4926, 5118, 10673, 11089, 21346, 22178, 30377, 31561, 32019, 33267, 60754, 63122, 64038, 66534, 91131, 94683, 182262, 189366, 394901, 410293, 700313, 789802, 820586, 1184703, 1230879, 1400626, 2100939, 2369406, 2461758, 4201878, 9104069, 18208138, 25911581, 27312207, 51823162, 54624414, 77734743, 155469486, 336850553, 673701106, 1010551659, 2021103318]

約数ペア:

[(1, 2021103318), (2, 1010551659), (3, 673701106), (6, 336850553), (13, 155469486), (26, 77734743), (37, 54624414), (39, 51823162), (74, 27312207), (78, 25911581), (111, 18208138), (222, 9104069), (481, 4201878), (821, 2461758), (853, 2369406), (962, 2100939), (1443, 1400626), (1642, 1230879), (1706, 1184703), (2463, 820586), (2559, 789802), (2886, 700313), (4926, 410293), (5118, 394901), (10673, 189366), (11089, 182262), (21346, 94683), (22178, 91131), (30377, 66534), (31561, 64038), (32019, 63122), (33267, 60754)]