21909744

素因数分解:

$2^4\times 3^3\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1295

約数の個数: 80

約数和(自身を含む): 64475040

約数和(自身を除く): 42565296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 41, 48, 54, 72, 82, 108, 123, 144, 164, 216, 246, 328, 369, 432, 492, 656, 738, 984, 1107, 1237, 1476, 1968, 2214, 2474, 2952, 3711, 4428, 4948, 5904, 7422, 8856, 9896, 11133, 14844, 17712, 19792, 22266, 29688, 33399, 44532, 50717, 59376, 66798, 89064, 101434, 133596, 152151, 178128, 202868, 267192, 304302, 405736, 456453, 534384, 608604, 811472, 912906, 1217208, 1369359, 1825812, 2434416, 2738718, 3651624, 5477436, 7303248, 10954872, 21909744]

約数ペア:

[(1, 21909744), (2, 10954872), (3, 7303248), (4, 5477436), (6, 3651624), (8, 2738718), (9, 2434416), (12, 1825812), (16, 1369359), (18, 1217208), (24, 912906), (27, 811472), (36, 608604), (41, 534384), (48, 456453), (54, 405736), (72, 304302), (82, 267192), (108, 202868), (123, 178128), (144, 152151), (164, 133596), (216, 101434), (246, 89064), (328, 66798), (369, 59376), (432, 50717), (492, 44532), (656, 33399), (738, 29688), (984, 22266), (1107, 19792), (1237, 17712), (1476, 14844), (1968, 11133), (2214, 9896), (2474, 8856), (2952, 7422), (3711, 5904), (4428, 4948)]