21473838

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1697}}^1$

素因数の和:1761

約数の個数: 48

約数和(自身を含む): 50328720

約数和(自身を除く): 28854882

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 1697, 2109, 3394, 4218, 5091, 6327, 10182, 12654, 15273, 30546, 32243, 62789, 64486, 96729, 125578, 188367, 193458, 290187, 376734, 565101, 580374, 1130202, 1192991, 2385982, 3578973, 7157946, 10736919, 21473838]

約数ペア:

[(1, 21473838), (2, 10736919), (3, 7157946), (6, 3578973), (9, 2385982), (18, 1192991), (19, 1130202), (37, 580374), (38, 565101), (57, 376734), (74, 290187), (111, 193458), (114, 188367), (171, 125578), (222, 96729), (333, 64486), (342, 62789), (666, 32243), (703, 30546), (1406, 15273), (1697, 12654), (2109, 10182), (3394, 6327), (4218, 5091)]