21009117446

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{51241}}^1$

素因数の和:51680

約数の個数: 32

約数和(自身を含む): 34533008640

約数和(自身を除く): 13523891194

約数列:

[1, 2, 17, 31, 34, 62, 389, 527, 778, 1054, 6613, 12059, 13226, 24118, 51241, 102482, 205003, 410006, 871097, 1588471, 1742194, 3176942, 19932749, 27004007, 39865498, 54008014, 338856733, 617915219, 677713466, 1235830438, 10504558723, 21009117446]

約数ペア:

[(1, 21009117446), (2, 10504558723), (17, 1235830438), (31, 677713466), (34, 617915219), (62, 338856733), (389, 54008014), (527, 39865498), (778, 27004007), (1054, 19932749), (6613, 3176942), (12059, 1742194), (13226, 1588471), (24118, 871097), (51241, 410006), (102482, 205003)]