21668346

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7477}}^1$

素因数の和:7515

約数の個数: 48

約数和(自身を含む): 55995264

約数和(自身を除く): 34326918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 7477, 14954, 22431, 44862, 52339, 67293, 104678, 134586, 157017, 171971, 314034, 343942, 471051, 515913, 942102, 1031826, 1203797, 1547739, 2407594, 3095478, 3611391, 7222782, 10834173, 21668346]

約数ペア:

[(1, 21668346), (2, 10834173), (3, 7222782), (6, 3611391), (7, 3095478), (9, 2407594), (14, 1547739), (18, 1203797), (21, 1031826), (23, 942102), (42, 515913), (46, 471051), (63, 343942), (69, 314034), (126, 171971), (138, 157017), (161, 134586), (207, 104678), (322, 67293), (414, 52339), (483, 44862), (966, 22431), (1449, 14954), (2898, 7477)]