21201570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18121}}^1$

素因数の和:18147

約数の個数: 48

約数和(自身を含む): 59367672

約数和(自身を除く): 38166102

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, 18121, 36242, 54363, 90605, 108726, 163089, 181210, 235573, 271815, 326178, 471146, 543630, 706719, 815445, 1177865, 1413438, 1630890, 2120157, 2355730, 3533595, 4240314, 7067190, 10600785, 21201570]

約数ペア:

[(1, 21201570), (2, 10600785), (3, 7067190), (5, 4240314), (6, 3533595), (9, 2355730), (10, 2120157), (13, 1630890), (15, 1413438), (18, 1177865), (26, 815445), (30, 706719), (39, 543630), (45, 471146), (65, 326178), (78, 271815), (90, 235573), (117, 181210), (130, 163089), (195, 108726), (234, 90605), (390, 54363), (585, 36242), (1170, 18121)]