21036350

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 40966128

約数和(自身を除く): 19929778

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 83, 137, 166, 185, 274, 370, 415, 685, 830, 925, 1370, 1850, 2075, 3071, 3425, 4150, 5069, 6142, 6850, 10138, 11371, 15355, 22742, 25345, 30710, 50690, 56855, 76775, 113710, 126725, 153550, 253450, 284275, 420727, 568550, 841454, 2103635, 4207270, 10518175, 21036350]

約数ペア:

[(1, 21036350), (2, 10518175), (5, 4207270), (10, 2103635), (25, 841454), (37, 568550), (50, 420727), (74, 284275), (83, 253450), (137, 153550), (166, 126725), (185, 113710), (274, 76775), (370, 56855), (415, 50690), (685, 30710), (830, 25345), (925, 22742), (1370, 15355), (1850, 11371), (2075, 10138), (3071, 6850), (3425, 6142), (4150, 5069)]