21698964

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12301}}^1$

素因数の和:12325

約数の個数: 54

約数和(自身を含む): 63810474

約数和(自身を除く): 42111510

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12301, 24602, 36903, 49204, 73806, 86107, 110709, 147612, 172214, 221418, 258321, 344428, 442836, 516642, 602749, 774963, 1033284, 1205498, 1549926, 1808247, 2410996, 3099852, 3616494, 5424741, 7232988, 10849482, 21698964]

約数ペア:

[(1, 21698964), (2, 10849482), (3, 7232988), (4, 5424741), (6, 3616494), (7, 3099852), (9, 2410996), (12, 1808247), (14, 1549926), (18, 1205498), (21, 1033284), (28, 774963), (36, 602749), (42, 516642), (49, 442836), (63, 344428), (84, 258321), (98, 221418), (126, 172214), (147, 147612), (196, 110709), (252, 86107), (294, 73806), (441, 49204), (588, 36903), (882, 24602), (1764, 12301)]