21458256

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{5023}}^1$

素因数の和:5123

約数の個数: 40

約数和(自身を含む): 56067840

約数和(自身を除く): 34609584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 5023, 10046, 15069, 20092, 30138, 40184, 60276, 80368, 120552, 241104, 447047, 894094, 1341141, 1788188, 2682282, 3576376, 5364564, 7152752, 10729128, 21458256]

約数ペア:

[(1, 21458256), (2, 10729128), (3, 7152752), (4, 5364564), (6, 3576376), (8, 2682282), (12, 1788188), (16, 1341141), (24, 894094), (48, 447047), (89, 241104), (178, 120552), (267, 80368), (356, 60276), (534, 40184), (712, 30138), (1068, 20092), (1424, 15069), (2136, 10046), (4272, 5023)]