21880170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18701}}^1$

素因数の和:18727

約数の個数: 48

約数和(自身を含む): 61267752

約数和(自身を除く): 39387582

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18701, 37402, 56103, 93505, 112206, 168309, 187010, 243113, 280515, 336618, 486226, 561030, 729339, 841545, 1215565, 1458678, 1683090, 2188017, 2431130, 3646695, 4376034, 7293390, 10940085, 21880170]

約数ペア:

[(1, 21880170), (2, 10940085), (3, 7293390), (5, 4376034), (6, 3646695), (9, 2431130), (10, 2188017), (13, 1683090), (15, 1458678), (18, 1215565), (26, 841545), (30, 729339), (39, 561030), (45, 486226), (65, 336618), (78, 280515), (90, 243113), (117, 187010), (130, 168309), (195, 112206), (234, 93505), (390, 56103), (585, 37402), (1170, 18701)]