21813444

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31891}}^1$

素因数の和:31920

約数の個数: 36

約数和(自身を含む): 58043440

約数和(自身を除く): 36229996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31891, 63782, 95673, 127564, 191346, 287019, 382692, 574038, 605929, 1148076, 1211858, 1817787, 2423716, 3635574, 5453361, 7271148, 10906722, 21813444]

約数ペア:

[(1, 21813444), (2, 10906722), (3, 7271148), (4, 5453361), (6, 3635574), (9, 2423716), (12, 1817787), (18, 1211858), (19, 1148076), (36, 605929), (38, 574038), (57, 382692), (76, 287019), (114, 191346), (171, 127564), (228, 95673), (342, 63782), (684, 31891)]