21171384

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22619}}^1$

素因数の和:22644

約数の個数: 48

約数和(自身を含む): 61752600

約数和(自身を除く): 40581216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22619, 45238, 67857, 90476, 135714, 180952, 203571, 271428, 294047, 407142, 542856, 588094, 814284, 882141, 1176188, 1628568, 1764282, 2352376, 2646423, 3528564, 5292846, 7057128, 10585692, 21171384]

約数ペア:

[(1, 21171384), (2, 10585692), (3, 7057128), (4, 5292846), (6, 3528564), (8, 2646423), (9, 2352376), (12, 1764282), (13, 1628568), (18, 1176188), (24, 882141), (26, 814284), (36, 588094), (39, 542856), (52, 407142), (72, 294047), (78, 271428), (104, 203571), (117, 180952), (156, 135714), (234, 90476), (312, 67857), (468, 45238), (936, 22619)]