21723942760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{887}}^1\times {\mathrm{3623}}^1$

素因数の和:4547

約数の個数: 96

約数和(自身を含む): 53002304640

約数和(自身を除く): 31278361880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 887, 1352, 1690, 1774, 3380, 3548, 3623, 4435, 6760, 7096, 7246, 8870, 11531, 14492, 17740, 18115, 23062, 28984, 35480, 36230, 46124, 47099, 57655, 72460, 92248, 94198, 115310, 144920, 149903, 188396, 230620, 235495, 299806, 376792, 461240, 470990, 599612, 612287, 749515, 941980, 1199224, 1224574, 1499030, 1883960, 2449148, 2998060, 3061435, 3213601, 4898296, 5996120, 6122870, 6427202, 12245740, 12854404, 16068005, 24491480, 25708808, 32136010, 41776813, 64272020, 83553626, 128544040, 167107252, 208884065, 334214504, 417768130, 543098569, 835536260, 1086197138, 1671072520, 2172394276, 2715492845, 4344788552, 5430985690, 10861971380, 21723942760]

約数ペア:

[(1, 21723942760), (2, 10861971380), (4, 5430985690), (5, 4344788552), (8, 2715492845), (10, 2172394276), (13, 1671072520), (20, 1086197138), (26, 835536260), (40, 543098569), (52, 417768130), (65, 334214504), (104, 208884065), (130, 167107252), (169, 128544040), (260, 83553626), (338, 64272020), (520, 41776813), (676, 32136010), (845, 25708808), (887, 24491480), (1352, 16068005), (1690, 12854404), (1774, 12245740), (3380, 6427202), (3548, 6122870), (3623, 5996120), (4435, 4898296), (6760, 3213601), (7096, 3061435), (7246, 2998060), (8870, 2449148), (11531, 1883960), (14492, 1499030), (17740, 1224574), (18115, 1199224), (23062, 941980), (28984, 749515), (35480, 612287), (36230, 599612), (46124, 470990), (47099, 461240), (57655, 376792), (72460, 299806), (92248, 235495), (94198, 230620), (115310, 188396), (144920, 149903)]