21219390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12409}}^1$

素因数の和:12441

約数の個数: 48

約数和(自身を含む): 58078800

約数和(自身を除く): 36859410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12409, 24818, 37227, 62045, 74454, 111681, 124090, 186135, 223362, 235771, 372270, 471542, 558405, 707313, 1116810, 1178855, 1414626, 2121939, 2357710, 3536565, 4243878, 7073130, 10609695, 21219390]

約数ペア:

[(1, 21219390), (2, 10609695), (3, 7073130), (5, 4243878), (6, 3536565), (9, 2357710), (10, 2121939), (15, 1414626), (18, 1178855), (19, 1116810), (30, 707313), (38, 558405), (45, 471542), (57, 372270), (90, 235771), (95, 223362), (114, 186135), (171, 124090), (190, 111681), (285, 74454), (342, 62045), (570, 37227), (855, 24818), (1710, 12409)]