21304764

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45523}}^1$

素因数の和:45546

約数の個数: 36

約数和(自身を含む): 57997576

約数和(自身を除く): 36692812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45523, 91046, 136569, 182092, 273138, 409707, 546276, 591799, 819414, 1183598, 1638828, 1775397, 2367196, 3550794, 5326191, 7101588, 10652382, 21304764]

約数ペア:

[(1, 21304764), (2, 10652382), (3, 7101588), (4, 5326191), (6, 3550794), (9, 2367196), (12, 1775397), (13, 1638828), (18, 1183598), (26, 819414), (36, 591799), (39, 546276), (52, 409707), (78, 273138), (117, 182092), (156, 136569), (234, 91046), (468, 45523)]