21803320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7079}}^1$

素因数の和:7108

約数の個数: 64

約数和(自身を含む): 61171200

約数和(自身を除く): 39367880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 7079, 14158, 28316, 35395, 49553, 56632, 70790, 77869, 99106, 141580, 155738, 198212, 247765, 283160, 311476, 389345, 396424, 495530, 545083, 622952, 778690, 991060, 1090166, 1557380, 1982120, 2180332, 2725415, 3114760, 4360664, 5450830, 10901660, 21803320]

約数ペア:

[(1, 21803320), (2, 10901660), (4, 5450830), (5, 4360664), (7, 3114760), (8, 2725415), (10, 2180332), (11, 1982120), (14, 1557380), (20, 1090166), (22, 991060), (28, 778690), (35, 622952), (40, 545083), (44, 495530), (55, 396424), (56, 389345), (70, 311476), (77, 283160), (88, 247765), (110, 198212), (140, 155738), (154, 141580), (220, 99106), (280, 77869), (308, 70790), (385, 56632), (440, 49553), (616, 35395), (770, 28316), (1540, 14158), (3080, 7079)]