21665826

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4440

約数の個数: 64

約数和(自身を含む): 59270400

約数和(自身を除く): 37604574

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4409, 4914, 8818, 13227, 26454, 30863, 39681, 57317, 61726, 79362, 92589, 114634, 119043, 171951, 185178, 238086, 277767, 343902, 401219, 515853, 555534, 802438, 833301, 1031706, 1203657, 1547559, 1666602, 2407314, 3095118, 3610971, 7221942, 10832913, 21665826]

約数ペア:

[(1, 21665826), (2, 10832913), (3, 7221942), (6, 3610971), (7, 3095118), (9, 2407314), (13, 1666602), (14, 1547559), (18, 1203657), (21, 1031706), (26, 833301), (27, 802438), (39, 555534), (42, 515853), (54, 401219), (63, 343902), (78, 277767), (91, 238086), (117, 185178), (126, 171951), (182, 119043), (189, 114634), (234, 92589), (273, 79362), (351, 61726), (378, 57317), (546, 39681), (702, 30863), (819, 26454), (1638, 13227), (2457, 8818), (4409, 4914)]