21058130124

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{599}}^1\times {\mathrm{26393}}^1$

素因数の和:27039

約数の個数: 72

約数和(自身を含む): 54762271200

約数和(自身を除く): 33704141076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 599, 666, 1198, 1332, 1797, 2396, 3594, 5391, 7188, 10782, 21564, 22163, 26393, 44326, 52786, 66489, 79179, 88652, 105572, 132978, 158358, 199467, 237537, 265956, 316716, 398934, 475074, 797868, 950148, 976541, 1953082, 2929623, 3906164, 5859246, 8788869, 11718492, 15809407, 17577738, 31618814, 35155476, 47428221, 63237628, 94856442, 142284663, 189712884, 284569326, 569138652, 584948059, 1169896118, 1754844177, 2339792236, 3509688354, 5264532531, 7019376708, 10529065062, 21058130124]

約数ペア:

[(1, 21058130124), (2, 10529065062), (3, 7019376708), (4, 5264532531), (6, 3509688354), (9, 2339792236), (12, 1754844177), (18, 1169896118), (36, 584948059), (37, 569138652), (74, 284569326), (111, 189712884), (148, 142284663), (222, 94856442), (333, 63237628), (444, 47428221), (599, 35155476), (666, 31618814), (1198, 17577738), (1332, 15809407), (1797, 11718492), (2396, 8788869), (3594, 5859246), (5391, 3906164), (7188, 2929623), (10782, 1953082), (21564, 976541), (22163, 950148), (26393, 797868), (44326, 475074), (52786, 398934), (66489, 316716), (79179, 265956), (88652, 237537), (105572, 199467), (132978, 158358)]