21806694

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13313}}^1$

素因数の和:13341

約数の個数: 48

約数和(自身を含む): 58155552

約数和(自身を除く): 36348858

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 13313, 26626, 39939, 79878, 93191, 119817, 173069, 186382, 239634, 279573, 346138, 519207, 559146, 838719, 1038414, 1211483, 1557621, 1677438, 2422966, 3115242, 3634449, 7268898, 10903347, 21806694]

約数ペア:

[(1, 21806694), (2, 10903347), (3, 7268898), (6, 3634449), (7, 3115242), (9, 2422966), (13, 1677438), (14, 1557621), (18, 1211483), (21, 1038414), (26, 838719), (39, 559146), (42, 519207), (63, 346138), (78, 279573), (91, 239634), (117, 186382), (126, 173069), (182, 119817), (234, 93191), (273, 79878), (546, 39939), (819, 26626), (1638, 13313)]