21144834

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 50889600

約数和(自身を除く): 29744766

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 54, 57, 74, 111, 114, 171, 222, 333, 342, 513, 557, 666, 703, 999, 1026, 1114, 1406, 1671, 1998, 2109, 3342, 4218, 5013, 6327, 10026, 10583, 12654, 15039, 18981, 20609, 21166, 30078, 31749, 37962, 41218, 61827, 63498, 95247, 123654, 185481, 190494, 285741, 370962, 391571, 556443, 571482, 783142, 1112886, 1174713, 2349426, 3524139, 7048278, 10572417, 21144834]

約数ペア:

[(1, 21144834), (2, 10572417), (3, 7048278), (6, 3524139), (9, 2349426), (18, 1174713), (19, 1112886), (27, 783142), (37, 571482), (38, 556443), (54, 391571), (57, 370962), (74, 285741), (111, 190494), (114, 185481), (171, 123654), (222, 95247), (333, 63498), (342, 61827), (513, 41218), (557, 37962), (666, 31749), (703, 30078), (999, 21166), (1026, 20609), (1114, 18981), (1406, 15039), (1671, 12654), (1998, 10583), (2109, 10026), (3342, 6327), (4218, 5013)]