26993820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64271}}^1$

素因数の和:64290

約数の個数: 48

約数和(自身を含む): 86381568

約数和(自身を除く): 59387748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 64271, 128542, 192813, 257084, 321355, 385626, 449897, 642710, 771252, 899794, 964065, 1285420, 1349691, 1799588, 1928130, 2249485, 2699382, 3856260, 4498970, 5398764, 6748455, 8997940, 13496910, 26993820]

約数ペア:

[(1, 26993820), (2, 13496910), (3, 8997940), (4, 6748455), (5, 5398764), (6, 4498970), (7, 3856260), (10, 2699382), (12, 2249485), (14, 1928130), (15, 1799588), (20, 1349691), (21, 1285420), (28, 964065), (30, 899794), (35, 771252), (42, 642710), (60, 449897), (70, 385626), (84, 321355), (105, 257084), (140, 192813), (210, 128542), (420, 64271)]