21939435

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{241}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 46359456

約数和(自身を除く): 24420021

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 241, 255, 289, 315, 357, 595, 723, 765, 867, 1071, 1205, 1445, 1687, 1785, 2023, 2169, 2601, 3615, 4097, 4335, 5061, 5355, 6069, 8435, 10115, 10845, 12291, 13005, 15183, 18207, 20485, 25305, 28679, 30345, 36873, 61455, 69649, 75915, 86037, 91035, 143395, 184365, 208947, 258111, 348245, 430185, 487543, 626841, 1044735, 1290555, 1462629, 2437715, 3134205, 4387887, 7313145, 21939435]

約数ペア:

[(1, 21939435), (3, 7313145), (5, 4387887), (7, 3134205), (9, 2437715), (15, 1462629), (17, 1290555), (21, 1044735), (35, 626841), (45, 487543), (51, 430185), (63, 348245), (85, 258111), (105, 208947), (119, 184365), (153, 143395), (241, 91035), (255, 86037), (289, 75915), (315, 69649), (357, 61455), (595, 36873), (723, 30345), (765, 28679), (867, 25305), (1071, 20485), (1205, 18207), (1445, 15183), (1687, 13005), (1785, 12291), (2023, 10845), (2169, 10115), (2601, 8435), (3615, 6069), (4097, 5355), (4335, 5061)]