21600880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2269}}^1$

素因数の和:2306

約数の個数: 80

約数和(自身を含む): 60799680

約数和(自身を除く): 39198800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2269, 2380, 4538, 4760, 9076, 9520, 11345, 15883, 18152, 22690, 31766, 36304, 38573, 45380, 63532, 77146, 79415, 90760, 127064, 154292, 158830, 181520, 192865, 254128, 270011, 308584, 317660, 385730, 540022, 617168, 635320, 771460, 1080044, 1270640, 1350055, 1542920, 2160088, 2700110, 3085840, 4320176, 5400220, 10800440, 21600880]

約数ペア:

[(1, 21600880), (2, 10800440), (4, 5400220), (5, 4320176), (7, 3085840), (8, 2700110), (10, 2160088), (14, 1542920), (16, 1350055), (17, 1270640), (20, 1080044), (28, 771460), (34, 635320), (35, 617168), (40, 540022), (56, 385730), (68, 317660), (70, 308584), (80, 270011), (85, 254128), (112, 192865), (119, 181520), (136, 158830), (140, 154292), (170, 127064), (238, 90760), (272, 79415), (280, 77146), (340, 63532), (476, 45380), (560, 38573), (595, 36304), (680, 31766), (952, 22690), (1190, 18152), (1360, 15883), (1904, 11345), (2269, 9520), (2380, 9076), (4538, 4760)]