21899150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4813}}^1$

素因数の和:4845

約数の個数: 48

約数和(自身を含む): 50142624

約数和(自身を除く): 28243474

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 4813, 9626, 24065, 33691, 48130, 62569, 67382, 120325, 125138, 168455, 240650, 312845, 336910, 437983, 625690, 842275, 875966, 1564225, 1684550, 2189915, 3128450, 4379830, 10949575, 21899150]

約数ペア:

[(1, 21899150), (2, 10949575), (5, 4379830), (7, 3128450), (10, 2189915), (13, 1684550), (14, 1564225), (25, 875966), (26, 842275), (35, 625690), (50, 437983), (65, 336910), (70, 312845), (91, 240650), (130, 168455), (175, 125138), (182, 120325), (325, 67382), (350, 62569), (455, 48130), (650, 33691), (910, 24065), (2275, 9626), (4550, 4813)]